US Bridges

Vanceboro RD over Main Tomah Stream

Fair

Washington County, Maine · 7.2 MI NE of Topsfield · Structure no. 5156

Built
1967
58 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
326
2016 count
Owner
State
State Highway Agency

About this bridge

Vanceboro RD over Main Tomah Stream is a concrete culvert carrying Vanceboro RD over Main Tomah Stream in Washington County, Maine. It was built in 1967, so it is 58 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 326 vehicles a day, roughly 5% of them trucks, projected to reach 522 by 2036. The structure is 36 ft (11 m) long. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesVanceboro RD
CrossesMain Tomah Stream
Location7.2 MI NE of Topsfield
RouteState Highway 6
CountyWashington County
StateMaine
Coordinates45.48351, -67.60965
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span32 ft (9.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic326 (2016)
Projected traffic522 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Vanceboro RD over Main Tomah Stream built?

It was built in 1967, making it 58 years old in 2025.

What condition is Vanceboro RD over Main Tomah Stream 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 July 2024.

How much traffic does Vanceboro RD over Main Tomah Stream carry?

About 326 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Vanceboro RD over Main Tomah Stream?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.9 m).

Who owns Vanceboro RD over Main Tomah Stream?

It is owned by the State Highway Agency.