US Bridges

Sherman ST over Sly Brook

Fair

Aroostook County, Maine · 0.7 MI S of JCT RTE 159 · Structure no. 6162

Built
1967
58 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
639
2016 count
Owner
State
State Highway Agency

About this bridge

Sherman ST over Sly Brook is a concrete culvert carrying Sherman ST over Sly Brook in Aroostook 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 639 vehicles a day, roughly 5% of them trucks, projected to reach 1,022 by 2036. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSherman ST
CrossesSly Brook
Location0.7 MI S of JCT RTE 159
RouteState Highway 2
StateMaine
Coordinates45.99901, -68.26885
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating39.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span26 ft (7.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic639 (2016)
Projected traffic1,022 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Sherman ST over Sly Brook built?

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

What condition is Sherman ST over Sly 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 Sly Brook carry?

About 639 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Sherman ST over Sly Brook?

The structure is 29 ft (8.7 m) long with a longest span of 26 ft (7.8 m).

Who owns Sherman ST over Sly Brook?

It is owned by the State Highway Agency.