US Bridges

Foster Hill RD over Gilkey Brook

Fair

Franklin County, Maine · 0.1 MI N of Strong · Structure no. 3679

Built
1956
69 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
788
2016 count
Owner
State
State Highway Agency

About this bridge

Foster Hill RD over Gilkey Brook is a concrete slab carrying Foster Hill RD over Gilkey Brook in Franklin County, Maine. It was built in 1956, so it is 69 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 788 vehicles a day, roughly 5% of them trucks, projected to reach 1,261 by 2036. The structure is 23 ft (7.1 m) long and 32 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesFoster Hill RD
CrossesGilkey Brook
Location0.1 MI N of Strong
RouteCounty Highway 145
CountyFranklin County
StateMaine
Coordinates44.84316, -70.20365
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7.1 m)
Longest span20 ft (6.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic788 (2016)
Projected traffic1,261 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Foster Hill RD over Gilkey Brook built?

It was built in 1956, making it 69 years old in 2025.

What condition is Foster Hill RD over Gilkey 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 2023.

How much traffic does Foster Hill RD over Gilkey Brook carry?

About 788 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Foster Hill RD over Gilkey Brook?

The structure is 23 ft (7.1 m) long with a longest span of 20 ft (6.2 m) and a deck 32 ft wide.

Who owns Foster Hill RD over Gilkey Brook?

It is owned by the State Highway Agency.