US Bridges

Main ST over Thibodeau Brook

Good

Aroostook County, Maine · 1.2 MI S Townline · Structure no. 2781

Built
2020
5 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
1,410
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over Thibodeau Brook is a concrete culvert carrying Main ST over Thibodeau Brook in Aroostook County, Maine. It was built in 2020, so it is 5 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,410 vehicles a day, roughly 5% of them trucks, projected to reach 2,115 by 2036. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 100 mi (161 km).

CarriesMain ST
CrossesThibodeau Brook
Location1.2 MI S Townline
RouteState Highway 1
StateMaine
Coordinates47.31418, -68.16096
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating64.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length30 ft (9.2 m)
Longest span27 ft (8.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,410 (2016)
Projected traffic2,115 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemYes

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 Main ST over Thibodeau Brook built?

It was built in 2020, making it 5 years old in 2025.

What condition is Main ST over Thibodeau Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Main ST over Thibodeau Brook carry?

About 1,410 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over Thibodeau Brook?

The structure is 30 ft (9.2 m) long with a longest span of 27 ft (8.1 m).

Who owns Main ST over Thibodeau Brook?

It is owned by the State Highway Agency.