US Bridges

T712 Whisp Pines R over Dark Shade Creek

PoorPosted for load

Somerset County, Pennsylvania · 1.3 Mi.N.Of Central City · Structure no. 000000000031890

Built
1900
125 years old, rebuilt 1967
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
57 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

T712 Whisp Pines R over Dark Shade Creek is a steel truss - thru carrying T712 Whisp Pines R over Dark Shade Creek in Somerset County, Pennsylvania. It was built in 1900 and reconstructed in 1967, so it is 125 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 64 by 2044. The structure is 57 ft (17.4 m) long and 12 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT712 Whisp Pines R
CrossesDark Shade Creek
Location1.3 Mi.N.Of Central City
RouteCity Street 0
Coordinates40.13438, -78.81439
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating6 US tons
Inventory rating4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadH 10
Structure length57 ft (17.4 m)
Longest span51 ft (15.5 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic64 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$858,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T712 Whisp Pines R over Dark Shade Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1967.

What condition is T712 Whisp Pines R over Dark Shade Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does T712 Whisp Pines R over Dark Shade Creek carry?

About 50 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is T712 Whisp Pines R over Dark Shade Creek?

The structure is 57 ft (17.4 m) long with a longest span of 51 ft (15.5 m) and a deck 12 ft wide.

Who owns T712 Whisp Pines R over Dark Shade Creek?

It is owned by the County Highway Agency.