US Bridges

Brown RD over Marsh River

Fair

Waldo County, Maine · .5 MI S JCT 139 · Structure no. 1126

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
63
2016 count
Owner
State
State Highway Agency

About this bridge

Brown RD over Marsh River is a steel stringer/multi-beam or girder carrying Brown RD over Marsh River in Waldo County, Maine. It was built in 1975, so it is 50 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 63 vehicles a day, roughly 5% of them trucks, projected to reach 101 by 2036. The structure is 75 ft (23 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBrown RD
CrossesMarsh River
Location.5 MI S JCT 139
RouteCity Street 0
StateMaine
Coordinates44.56443, -69.09396
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (23 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2016)
Projected traffic101 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 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 Brown RD over Marsh River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Brown RD over Marsh 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 August 2024.

How much traffic does Brown RD over Marsh River carry?

About 63 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Brown RD over Marsh River?

The structure is 75 ft (23 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns Brown RD over Marsh River?

It is owned by the State Highway Agency.