US Bridges

T-851 East Run RD over Little Mahoning Creek

Good

Indiana County, Pennsylvania · Btw T880 & T673 · Structure no. 000000000019484

Built
1961
64 years old, rebuilt 2015
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
141
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-851 East Run RD over Little Mahoning Creek is a prestressed concrete box beam or girders - multiple carrying T-851 East Run RD over Little Mahoning Creek in Indiana County, Pennsylvania. It was built in 1961 and reconstructed in 2015, so it is 64 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 141 vehicles a day, roughly 1% of them trucks, projected to reach 170 by 2043. The structure is 52 ft (15.8 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesT-851 East Run RD
CrossesLittle Mahoning Creek
LocationBtw T880 & T673
RouteCity Street 0T851
Coordinates40.77618, -78.94995
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141 (2023)
Projected traffic170 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$184,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-851 East Run RD over Little Mahoning Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2015.

What condition is T-851 East Run RD over Little Mahoning Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does T-851 East Run RD over Little Mahoning Creek carry?

About 141 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T-851 East Run RD over Little Mahoning Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns T-851 East Run RD over Little Mahoning Creek?

It is owned by the Town or Township Highway Agency.