US Bridges

SR 1051 over Little Crabtree Creek

Poor

Westmoreland County, Pennsylvania · Unity & Hempfield Twps. · Structure no. 000000000036441

Built
1929
96 years old
Condition
Poor
inspected December 2023
Type
Arch - Deck
Concrete
Length
25 ft
1 main span
Daily traffic
640
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1051 over Little Crabtree Creek is a concrete arch - deck carrying SR 1051 over Little Crabtree Creek in Westmoreland County, Pennsylvania. It was built in 1929, so it is 96 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 640 vehicles a day, roughly 5% of them trucks, projected to reach 337 by 2032. The structure is 25 ft (7.6 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 1051
CrossesLittle Crabtree Creek
LocationUnity & Hempfield Twps.
RouteState Highway 0
CountyWestmoreland County
StatePennsylvania
Coordinates40.3264, -79.4746
Functional classUrban 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
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2024)
Projected traffic337 by 2032
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$119,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1051 over Little Crabtree Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is SR 1051 over Little Crabtree 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 December 2023.

How much traffic does SR 1051 over Little Crabtree Creek carry?

About 640 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 1051 over Little Crabtree Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 18 ft wide.

Who owns SR 1051 over Little Crabtree Creek?

It is owned by the State Highway Agency.