US Bridges

Maine ST over Crooked River

Fair

Oxford County, Maine · 0.1 MI W of Sly JCT 5&35 · Structure no. 5079

Built
1963
62 years old, rebuilt 2024
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
1,084
2016 count
Owner
State
State Highway Agency

About this bridge

Maine ST over Crooked River is a steel stringer/multi-beam or girder carrying Maine ST over Crooked River in Oxford County, Maine. It was built in 1963 and reconstructed in 2024, so it is 62 years old, older than the Maine average of 53.7 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 1,084 vehicles a day, roughly 5% of them trucks, projected to reach 1,626 by 2036. The structure is 54 ft (16.5 m) long and 31 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

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CarriesMaine ST
CrossesCrooked River
Location0.1 MI W of Sly JCT 5&35
RouteState Highway 5
CountyOxford County
StateMaine
Coordinates44.24473, -70.78667
Functional classRural Major 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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length54 ft (16.5 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,084 (2016)
Projected traffic1,626 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Maine ST over Crooked River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2024.

What condition is Maine ST over Crooked River 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 January 2025.

How much traffic does Maine ST over Crooked River carry?

About 1,084 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Maine ST over Crooked River?

The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns Maine ST over Crooked River?

It is owned by the State Highway Agency.