US Bridges

Jacoby Road over Little Deer Creek

Good

Allegheny County, Pennsylvania · DL05 Lit Deer Crk No. 5 · Structure no. 000000000057085

Built
2020
5 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Concrete
Length
54 ft
1 main span
Daily traffic
484
2020 count
Owner
County
County Highway Agency

About this bridge

Jacoby Road over Little Deer Creek is a concrete tee beam carrying Jacoby Road over Little Deer Creek in Allegheny County, Pennsylvania. It was built in 2020, so it is 5 years old, younger 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 484 vehicles a day, roughly 2% of them trucks, projected to reach 550 by 2042. The structure is 54 ft (16.5 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesJacoby Road
CrossesLittle Deer Creek
LocationDL05 Lit Deer Crk No. 5
RouteCity Street 0
Coordinates40.56131, -79.83099
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length54 ft (16.5 m)
Longest span52 ft (15.8 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic484 (2020)
Projected traffic550 by 2042
Trucks2%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jacoby Road over Little Deer Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Jacoby Road over Little Deer 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 June 2024.

How much traffic does Jacoby Road over Little Deer Creek carry?

About 484 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Jacoby Road over Little Deer Creek?

The structure is 54 ft (16.5 m) long with a longest span of 52 ft (15.8 m) and a deck 25 ft wide.

Who owns Jacoby Road over Little Deer Creek?

It is owned by the County Highway Agency.