US Bridges

Horseback RD over Horseback Brook

Fair

Kennebec County, Maine · 1.7 Mi. N. #11-100 · Structure no. 6030

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
31 ft
1 main span
Daily traffic
627
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Horseback RD over Horseback Brook is a concrete culvert carrying Horseback RD over Horseback Brook in Kennebec County, Maine. It was built in 1964, so it is 61 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 627 vehicles a day, roughly 5% of them trucks, projected to reach 1,003 by 2036. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHorseback RD
CrossesHorseback Brook
Location1.7 Mi. N. #11-100
RouteCity Street 0
StateMaine
Coordinates44.65401, -69.51157
Functional classRural Local

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length31 ft (9.6 m)
Longest span28 ft (8.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic627 (2016)
Projected traffic1,003 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Horseback RD over Horseback Brook built?

It was built in 1964, making it 61 years old in 2025.

What condition is Horseback RD over Horseback 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 October 2024.

How much traffic does Horseback RD over Horseback Brook carry?

About 627 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Horseback RD over Horseback Brook?

The structure is 31 ft (9.6 m) long with a longest span of 28 ft (8.4 m).

Who owns Horseback RD over Horseback Brook?

It is owned by the Town or Township Highway Agency.