US Bridges

SR 4021 over Tr.West.Br.Susq.River

Good

Cambria County, Pennsylvania · 2 Mi.E.Of N. Cambria · Structure no. 000000000008706

Built
1966
59 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
1,682
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4021 over Tr.West.Br.Susq.River is a concrete slab carrying SR 4021 over Tr.West.Br.Susq.River in Cambria County, Pennsylvania. It was built in 1966, so it is 59 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 1,682 vehicles a day, roughly 3% of them trucks, projected to reach 1,634 by 2032. The structure is 32 ft (9.8 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR 4021
CrossesTr.West.Br.Susq.River
Location2 Mi.E.Of N. Cambria
RouteState Highway 0
Coordinates40.64191, -78.74524
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.4 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,682 (2024)
Projected traffic1,634 by 2032
Trucks3%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4021 over Tr.West.Br.Susq.River built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR 4021 over Tr.West.Br.Susq.River 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 April 2024.

How much traffic does SR 4021 over Tr.West.Br.Susq.River carry?

About 1,682 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 4021 over Tr.West.Br.Susq.River?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns SR 4021 over Tr.West.Br.Susq.River?

It is owned by the State Highway Agency.