US Bridges

Center RD over Little Mud Brook

Good

Penobscot County, Maine · 1.9 MI N JCT 169 · Structure no. 5707

Built
2010
15 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
72
2016 count
Owner
State
State Highway Agency

About this bridge

Center RD over Little Mud Brook is a concrete culvert carrying Center RD over Little Mud Brook in Penobscot County, Maine. It was built in 2010, so it is 15 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 72 vehicles a day, roughly 5% of them trucks, projected to reach 115 by 2036. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 24.9 mi (40 km).

CarriesCenter RD
CrossesLittle Mud Brook
Location1.9 MI N JCT 169
RouteCounty Highway 171
StateMaine
Coordinates45.51782, -68.08609
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2016)
Projected traffic115 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Center RD over Little Mud Brook built?

It was built in 2010, making it 15 years old in 2025.

What condition is Center RD over Little Mud 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 November 2023.

How much traffic does Center RD over Little Mud Brook carry?

About 72 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Center RD over Little Mud Brook?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).

Who owns Center RD over Little Mud Brook?

It is owned by the State Highway Agency.