US Bridges

Old Stage RD over Monstweag Brook

Fair

Sagadahoc County, Maine · 0.8 MI W Old Bath RD · Structure no. 0627

Built
1991
34 years old, rebuilt 2024
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
378
2016 count
Owner
State
State Highway Agency

About this bridge

Old Stage RD over Monstweag Brook is a steel stringer/multi-beam or girder carrying Old Stage RD over Monstweag Brook in Sagadahoc County, Maine. It was built in 1991 and reconstructed in 2024, so it is 34 years old, younger 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 378 vehicles a day, roughly 5% of them trucks, projected to reach 605 by 2036. The structure is 38 ft (11.7 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOld Stage RD
CrossesMonstweag Brook
Location0.8 MI W Old Bath RD
RouteCity Street 0
CountySagadahoc County
StateMaine
Coordinates43.99384, -69.70764
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating63.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length38 ft (11.7 m)
Longest span34 ft (10.3 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic378 (2016)
Projected traffic605 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Old Stage RD over Monstweag Brook built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2024.

What condition is Old Stage RD over Monstweag Brook 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 Old Stage RD over Monstweag Brook carry?

About 378 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Old Stage RD over Monstweag Brook?

The structure is 38 ft (11.7 m) long with a longest span of 34 ft (10.3 m) and a deck 23 ft wide.

Who owns Old Stage RD over Monstweag Brook?

It is owned by the State Highway Agency.