US Bridges

Sherman ST over Cold Brook

Fair

Aroostook County, Maine · 0.1 MI NE Townline · Structure no. 2163

Built
1929
96 years old, rebuilt 1975
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
430
2016 count
Owner
State
State Highway Agency

About this bridge

Sherman ST over Cold Brook is a concrete slab carrying Sherman ST over Cold Brook in Aroostook County, Maine. It was built in 1929 and reconstructed in 1975, so it is 96 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 430 vehicles a day, roughly 5% of them trucks, projected to reach 688 by 2036. The structure is 23 ft (7 m) long and 28 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesSherman ST
CrossesCold Brook
Location0.1 MI NE Townline
RouteState Highway 2
StateMaine
Coordinates45.9618, -68.29779
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2016)
Projected traffic688 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Sherman ST over Cold Brook built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1975.

What condition is Sherman ST over Cold 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 Sherman ST over Cold Brook carry?

About 430 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Sherman ST over Cold Brook?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns Sherman ST over Cold Brook?

It is owned by the State Highway Agency.