US Bridges

Mouse LN over Middle Br Mousam River

Fair

York County, Maine · 0.2 MI NE of New Dam RD · Structure no. 1265

Built
1907
118 years old, rebuilt 1996
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
613
2016 count
Owner
State
State Highway Agency

About this bridge

Mouse LN over Middle Br Mousam River is a prestressed concrete slab carrying Mouse LN over Middle Br Mousam River in York County, Maine. It was built in 1907 and reconstructed in 1996, so it is 118 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 613 vehicles a day, roughly 5% of them trucks, projected to reach 981 by 2036. The structure is 28 ft (8.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMouse LN
CrossesMiddle Br Mousam River
Location0.2 MI NE of New Dam RD
RouteCity Street 0
StateMaine
Coordinates43.43183, -70.68777
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.4 m)
Longest span25 ft (7.7 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic613 (2016)
Projected traffic981 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mouse LN over Middle Br Mousam River built?

It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1996.

What condition is Mouse LN over Middle Br Mousam 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 November 2024.

How much traffic does Mouse LN over Middle Br Mousam River carry?

About 613 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Mouse LN over Middle Br Mousam River?

The structure is 28 ft (8.4 m) long with a longest span of 25 ft (7.7 m) and a deck 25 ft wide.

Who owns Mouse LN over Middle Br Mousam River?

It is owned by the State Highway Agency.