US Bridges

I 95 SB over Route 104 (main St)

Fair

Kennebec County, Maine · 0.8 MI S Townline · Structure no. 1457

Built
1960
65 years old, rebuilt 2003
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
165 ft
3 main spans
Daily traffic
10,860
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 SB over Route 104 (main St) is a steel stringer/multi-beam or girder carrying I 95 SB over Route 104 (main St) in Kennebec County, Maine. It was built in 1960 and reconstructed in 2003, so it is 65 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 10,860 vehicles a day, roughly 10% of them trucks, projected to reach 15,204 by 2036. The structure is 165 ft (50.3 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 95 SB
CrossesRoute 104 (main St)
Location0.8 MI S Townline
RouteState Highway 95
CountyKennebec County
StateMaine
Coordinates44.57203, -69.64101
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length165 ft (50.3 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,860 (2016)
Projected traffic15,204 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 SB over Route 104 (main St) built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2003.

What condition is I 95 SB over Route 104 (main St) 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 December 2023.

How much traffic does I 95 SB over Route 104 (main St) carry?

About 10,860 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is I 95 SB over Route 104 (main St)?

The structure is 165 ft (50.3 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns I 95 SB over Route 104 (main St)?

It is owned by the State Highway Agency.