US Bridges

Lunts Hill Road over Mtpk

Fair

Kennebec County, Maine · 0.241 MI NW of Plains RD · Structure no. 0546

Built
1956
69 years old, rebuilt 2015
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
4 main spans
Daily traffic
173
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

Lunts Hill Road over Mtpk is a steel continuous stringer/multi-beam or girder carrying Lunts Hill Road over Mtpk in Kennebec County, Maine. It was built in 1956 and reconstructed in 2015, 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 173 vehicles a day, roughly 5% of them trucks, projected to reach 277 by 2036. The structure is 200 ft (61 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLunts Hill Road
CrossesMtpk
Location0.241 MI NW of Plains RD
RouteCity Street 0
StateMaine
Coordinates44.17702, -69.86228
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length200 ft (61 m)
Longest span56 ft (17.1 m)
Deck width27 ft (8.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173 (2016)
Projected traffic277 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lunts Hill Road over Mtpk built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2015.

What condition is Lunts Hill Road over Mtpk 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 July 2023.

How much traffic does Lunts Hill Road over Mtpk carry?

About 173 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Lunts Hill Road over Mtpk?

The structure is 200 ft (61 m) long with a longest span of 56 ft (17.1 m) and a deck 27 ft wide.

Who owns Lunts Hill Road over Mtpk?

It is owned by the State Toll Authority.