US Bridges

SR 4008 over Glenwhite Run

Fair

Blair County, Pennsylvania · 3.5 Mi.W.Of Altoona · Structure no. 000000000005809

Built
1932
93 years old, rebuilt 1991
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
1,664
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4008 over Glenwhite Run is a steel stringer/multi-beam or girder carrying SR 4008 over Glenwhite Run in Blair County, Pennsylvania. It was built in 1932 and reconstructed in 1991, so it is 93 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 6 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 1,664 vehicles a day, roughly 5% of them trucks, projected to reach 1,341 by 2032. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSR 4008
CrossesGlenwhite Run
Location3.5 Mi.W.Of Altoona
RouteState Highway 0
CountyBlair County
StatePennsylvania
Coordinates40.49663, -78.49689
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,664 (2024)
Projected traffic1,341 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4008 over Glenwhite Run built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1991.

What condition is SR 4008 over Glenwhite 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 February 2023.

How much traffic does SR 4008 over Glenwhite Run carry?

About 1,664 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 4008 over Glenwhite Run?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns SR 4008 over Glenwhite Run?

It is owned by the State Highway Agency.