US Bridges

Sinclair RD over Mclean Brook

Good

Aroostook County, Maine · 1.6 MI Nely of T17R5 Tl · Structure no. 3960

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
580
2016 count
Owner
State
State Highway Agency

About this bridge

Sinclair RD over Mclean Brook is a concrete culvert carrying Sinclair RD over Mclean Brook in Aroostook County, Maine. It was built in 2015, so it is 10 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 580 vehicles a day, roughly 5% of them trucks, projected to reach 928 by 2036. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSinclair RD
CrossesMclean Brook
Location1.6 MI Nely of T17R5 Tl
RouteState Highway 162
StateMaine
Coordinates47.1717, -68.26727
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating71.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2016)
Projected traffic928 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Sinclair RD over Mclean Brook built?

It was built in 2015, making it 10 years old in 2025.

What condition is Sinclair RD over Mclean 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 August 2023.

How much traffic does Sinclair RD over Mclean Brook carry?

About 580 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Sinclair RD over Mclean Brook?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m).

Who owns Sinclair RD over Mclean Brook?

It is owned by the State Highway Agency.