US Bridges

Coleridge Avenue over Mill Run Creek

Fair

Blair County, Pennsylvania · Coleridge Ave. Altoona · Structure no. 000000000005988

Built
1963
62 years old, rebuilt 2019
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
2 main spans
Daily traffic
2,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Coleridge Avenue over Mill Run Creek is a prestressed concrete box beam or girders - multiple carrying Coleridge Avenue over Mill Run Creek in Blair County, Pennsylvania. It was built in 1963 and reconstructed in 2019, so it is 62 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 2,200 vehicles a day, roughly 2% of them trucks, projected to reach 2,963 by 2043. The structure is 70 ft (21.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesColeridge Avenue
CrossesMill Run Creek
LocationColeridge Ave. Altoona
RouteCity Street 0
CountyBlair County
StatePennsylvania
Coordinates40.47967, -78.40575
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating25 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span33 ft (10.1 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic2,963 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$969,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Coleridge Avenue over Mill Run Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2019.

What condition is Coleridge Avenue over Mill Run Creek 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 November 2023.

How much traffic does Coleridge Avenue over Mill Run Creek carry?

About 2,200 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Coleridge Avenue over Mill Run Creek?

The structure is 70 ft (21.3 m) long with a longest span of 33 ft (10.1 m) and a deck 43 ft wide.

Who owns Coleridge Avenue over Mill Run Creek?

It is owned by the City or Municipal Highway Agency.