US Bridges

Unnamed 2457 over I-95 NB & SB

Fair

Penobscot County, Maine · 300 Ft SW of Odlin RD · Structure no. 5971

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
357 ft
4 main spans
Daily traffic
342
2016 count
Owner
State
State Highway Agency

About this bridge

Unnamed 2457 over I-95 NB & SB is a steel continuous stringer/multi-beam or girder carrying Unnamed 2457 over I-95 NB & SB in Penobscot County, Maine. It was built in 1962, so it is 63 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 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 342 vehicles a day, roughly 5% of them trucks, projected to reach 547 by 2036. The structure is 357 ft (108.7 m) long and 29 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesUnnamed 2457
CrossesI-95 NB & SB
Location300 Ft SW of Odlin RD
RouteFederal Lands Road 0
StateMaine
Coordinates44.78067, -68.81762
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
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length357 ft (108.7 m)
Longest span100 ft (30.5 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic342 (2016)
Projected traffic547 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed100 mi (161 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Unnamed 2457 over I-95 NB & SB built?

It was built in 1962, making it 63 years old in 2025.

What condition is Unnamed 2457 over I-95 NB & SB 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 September 2024.

How much traffic does Unnamed 2457 over I-95 NB & SB carry?

About 342 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Unnamed 2457 over I-95 NB & SB?

The structure is 357 ft (108.7 m) long with a longest span of 100 ft (30.5 m) and a deck 29 ft wide.

Who owns Unnamed 2457 over I-95 NB & SB?

It is owned by the State Highway Agency.