US Bridges

Libby Hill RD over Messalonskee Stream

Good

Kennebec County, Maine · .1 MI S JCT Route 11 · Structure no. 3494

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
5,070
2016 count
Owner
State
State Highway Agency

About this bridge

Libby Hill RD over Messalonskee Stream is a steel stringer/multi-beam or girder carrying Libby Hill RD over Messalonskee Stream in Kennebec County, Maine. It was built in 1997, so it is 28 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 5,070 vehicles a day, roughly 5% of them trucks, projected to reach 7,098 by 2036. The structure is 95 ft (29 m) long and 38 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

Open in Google Maps
CarriesLibby Hill RD
CrossesMessalonskee Stream
Location.1 MI S JCT Route 11
RouteCounty Highway 23
CountyKennebec County
StateMaine
Coordinates44.53984, -69.72189
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating70.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length95 ft (29 m)
Longest span86 ft (26.2 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,070 (2016)
Projected traffic7,098 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 Libby Hill RD over Messalonskee Stream built?

It was built in 1997, making it 28 years old in 2025.

What condition is Libby Hill RD over Messalonskee Stream 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 October 2023.

How much traffic does Libby Hill RD over Messalonskee Stream carry?

About 5,070 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Libby Hill RD over Messalonskee Stream?

The structure is 95 ft (29 m) long with a longest span of 86 ft (26.2 m) and a deck 38 ft wide.

Who owns Libby Hill RD over Messalonskee Stream?

It is owned by the State Highway Agency.