US Bridges

Bolsters Mills RD over Crooked River

Fair

Cumberland County, Maine · Townline · Structure no. 3354

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
860
2016 count
Owner
State
State Highway Agency

About this bridge

Bolsters Mills RD over Crooked River is a steel stringer/multi-beam or girder carrying Bolsters Mills RD over Crooked River in Cumberland County, Maine. It was built in 1949, so it is 76 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 860 vehicles a day, roughly 5% of them trucks, projected to reach 1,376 by 2036. The structure is 74 ft (22.7 m) long and 32 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesBolsters Mills RD
CrossesCrooked River
LocationTownline
RouteCounty Highway 0
CountyCumberland County
StateMaine
Coordinates44.11553, -70.59505
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length74 ft (22.7 m)
Longest span70 ft (21.3 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic860 (2016)
Projected traffic1,376 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.3 mi (31 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 Bolsters Mills RD over Crooked River built?

It was built in 1949, making it 76 years old in 2025.

What condition is Bolsters Mills RD over Crooked 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 June 2024.

How much traffic does Bolsters Mills RD over Crooked River carry?

About 860 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Bolsters Mills RD over Crooked River?

The structure is 74 ft (22.7 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.

Who owns Bolsters Mills RD over Crooked River?

It is owned by the State Highway Agency.