US Bridges

T-747 Cty BR.151 over Coles Creek

Fair

Columbia County, Pennsylvania · Village of Tri Mills · Structure no. 000000000012852

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

T-747 Cty BR.151 over Coles Creek is a prestressed concrete slab carrying T-747 Cty BR.151 over Coles Creek in Columbia County, Pennsylvania. It was built in 1970, so it is 55 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 75 vehicles a day, projected to reach 117 by 2045. The structure is 27 ft (8.2 m) long and 32 ft wide.

CarriesT-747 Cty BR.151
CrossesColes Creek
LocationVillage of Tri Mills
RouteCity Street 0
Coordinates41.26159, -76.34516
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic117 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$99,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-747 Cty BR.151 over Coles Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is T-747 Cty BR.151 over Coles Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does T-747 Cty BR.151 over Coles Creek carry?

About 75 vehicles per day (2023 count).

How long is T-747 Cty BR.151 over Coles Creek?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns T-747 Cty BR.151 over Coles Creek?

It is owned by the County Highway Agency.