US Bridges

SR 1008; (T-477) over Cocolamus Creek

Fair

Perry County, Pennsylvania · 2 MI West of Nekoda · Structure no. 000000000029587

Built
1938
87 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
108 ft
2 main spans
Daily traffic
429
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1008; (T-477) over Cocolamus Creek is a steel stringer/multi-beam or girder carrying SR 1008; (T-477) over Cocolamus Creek in Perry County, Pennsylvania. It was built in 1938, so it is 87 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 429 vehicles a day, roughly 2% of them trucks, projected to reach 424 by 2032. The structure is 108 ft (32.9 m) long and 15 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesSR 1008; (T-477)
CrossesCocolamus Creek
Location2 MI West of Nekoda
RouteState Highway 0
CountyPerry County
StatePennsylvania
Coordinates40.58381, -77.14146
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans2
Design loadH 20
Structure length108 ft (32.9 m)
Longest span51 ft (15.5 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic429 (2024)
Projected traffic424 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$714,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1008; (T-477) over Cocolamus Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is SR 1008; (T-477) over Cocolamus 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 May 2023.

How much traffic does SR 1008; (T-477) over Cocolamus Creek carry?

About 429 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 1008; (T-477) over Cocolamus Creek?

The structure is 108 ft (32.9 m) long with a longest span of 51 ft (15.5 m) and a deck 15 ft wide.

Who owns SR 1008; (T-477) over Cocolamus Creek?

It is owned by the State Highway Agency.