US Bridges

SR 77 State Street over Over Delmater Run

Fair

Crawford County, Pennsylvania · Richmond Township · Structure no. 000000000012966

Built
1917
108 years old, rebuilt 1957
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
2,040
2023 count
Owner
State
State Highway Agency

About this bridge

SR 77 State Street over Over Delmater Run is a concrete tee beam carrying SR 77 State Street over Over Delmater Run in Crawford County, Pennsylvania. It was built in 1917 and reconstructed in 1957, so it is 108 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 2,040 vehicles a day, roughly 17% of them trucks, projected to reach 2,609 by 2032. The structure is 23 ft (7 m) long and 41 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 77 State Street
CrossesOver Delmater Run
LocationRichmond Township
RouteState Highway 77
Coordinates41.69656, -80.00574
Functional classRural Minor Arterial

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width41 ft (12.6 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,040 (2023)
Projected traffic2,609 by 2032
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$26,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 77 State Street over Over Delmater Run built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1957.

What condition is SR 77 State Street over Over Delmater Run 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 September 2023.

How much traffic does SR 77 State Street over Over Delmater Run carry?

About 2,040 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is SR 77 State Street over Over Delmater Run?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 41 ft wide.

Who owns SR 77 State Street over Over Delmater Run?

It is owned by the State Highway Agency.