US Bridges

SR 27 Grand Street over Over Caldwell Creek

Poor

Warren County, Pennsylvania · Eldred Township · Structure no. 000000000033989

Built
1930
95 years old
Condition
Poor
inspected March 2023
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
1,356
2023 count
Owner
State
State Highway Agency

About this bridge

SR 27 Grand Street over Over Caldwell Creek is a concrete tee beam carrying SR 27 Grand Street over Over Caldwell Creek in Warren County, Pennsylvania. It was built in 1930, so it is 95 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.

It carries about 1,356 vehicles a day, roughly 20% of them trucks, projected to reach 1,977 by 2032. The structure is 31 ft (9.4 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 27 Grand Street
CrossesOver Caldwell Creek
LocationEldred Township
RouteState Highway 27
Coordinates41.74856, -79.50006
Functional classRural Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating42 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 15
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,356 (2023)
Projected traffic1,977 by 2032
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 27 Grand Street over Over Caldwell Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is SR 27 Grand Street over Over Caldwell 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 March 2023.

How much traffic does SR 27 Grand Street over Over Caldwell Creek carry?

About 1,356 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SR 27 Grand Street over Over Caldwell Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns SR 27 Grand Street over Over Caldwell Creek?

It is owned by the State Highway Agency.