US Bridges

Bristol RD over Pemaquid River

Fair

Lincoln County, Maine · 2.1 MI N of JCT RTE 32 · Structure no. 5314

Built
1950
75 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
3,610
2016 count
Owner
State
State Highway Agency

About this bridge

Bristol RD over Pemaquid River is a concrete slab carrying Bristol RD over Pemaquid River in Lincoln County, Maine. It was built in 1950, so it is 75 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 5 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 3,610 vehicles a day, roughly 5% of them trucks, projected to reach 5,054 by 2036. The structure is 27 ft (8.3 m) long and 30 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

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CarriesBristol RD
CrossesPemaquid River
Location2.1 MI N of JCT RTE 32
RouteCounty Highway 130
CountyLincoln County
StateMaine
Coordinates43.90528, -69.50709
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length27 ft (8.3 m)
Longest span24 ft (7.4 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,610 (2016)
Projected traffic5,054 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 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 Bristol RD over Pemaquid River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Bristol RD over Pemaquid River 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 August 2023.

How much traffic does Bristol RD over Pemaquid River carry?

About 3,610 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Bristol RD over Pemaquid River?

The structure is 27 ft (8.3 m) long with a longest span of 24 ft (7.4 m) and a deck 30 ft wide.

Who owns Bristol RD over Pemaquid River?

It is owned by the State Highway Agency.