US Bridges

T312 Covered Br RD over Laurel Hill Creek

PoorPosted for load

Somerset County, Pennsylvania · 1.3 Mi.Ne.Of Ursina · Structure no. 000000000031866

Built
1891
134 years old, rebuilt 1991
Condition
Poor
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
2 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

T312 Covered Br RD over Laurel Hill Creek is a steel stringer/multi-beam or girder carrying T312 Covered Br RD over Laurel Hill Creek in Somerset County, Pennsylvania. It was built in 1891 and reconstructed in 1991, so it is 134 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 4 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, projected to reach 63 by 2044. The structure is 125 ft (38.1 m) long and 11 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT312 Covered Br RD
CrossesLaurel Hill Creek
Location1.3 Mi.Ne.Of Ursina
RouteCity Street 0
Coordinates39.84009, -79.32299
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadH 15
Structure length125 ft (38.1 m)
Longest span55 ft (16.8 m)
Deck width11 ft (3.4 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deck8 ft (2.5 m)

Traffic and service

Average daily traffic50 (2024)
Projected traffic63 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T312 Covered Br RD over Laurel Hill Creek built?

It was built in 1891, making it 134 years old in 2025. It was reconstructed in 1991.

What condition is T312 Covered Br RD over Laurel Hill 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 November 2022.

How much traffic does T312 Covered Br RD over Laurel Hill Creek carry?

About 50 vehicles per day (2024 count).

How long is T312 Covered Br RD over Laurel Hill Creek?

The structure is 125 ft (38.1 m) long with a longest span of 55 ft (16.8 m) and a deck 11 ft wide.

Who owns T312 Covered Br RD over Laurel Hill Creek?

It is owned by the County Highway Agency.