US Bridges

SR 4008 over Kittanning Run

Fair

Blair County, Pennsylvania · 2 Mi.W.Of Altoona · Structure no. 000000000005814

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
1,664
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4008 over Kittanning Run is a concrete culvert carrying SR 4008 over Kittanning Run in Blair County, Pennsylvania. It was built in 1987, so it is 38 years old, younger 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 21 ft (6.4 m) long. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSR 4008
CrossesKittanning Run
Location2 Mi.W.Of Altoona
RouteState Highway 0
CountyBlair County
StatePennsylvania
Coordinates40.49622, -78.46167
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length21 ft (6.4 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4008 over Kittanning Run built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR 4008 over Kittanning 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 October 2024.

How much traffic does SR 4008 over Kittanning Run carry?

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

How long is SR 4008 over Kittanning Run?

The structure is 21 ft (6.4 m) long with a longest span of 18 ft (5.5 m).

Who owns SR 4008 over Kittanning Run?

It is owned by the State Highway Agency.