US Bridges

Route 1 over Mcrr (state Rr)

Fair

Sagadahoc County, Maine · 0.5 MI W of Townline · Structure no. 2639

Built
1957
68 years old, rebuilt 1997
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
155 ft
3 main spans
Daily traffic
17,042
2016 count
Owner
State
State Highway Agency

About this bridge

Route 1 over Mcrr (state Rr) is a steel continuous girder and floorbeam system carrying Route 1 over Mcrr (state Rr) in Sagadahoc County, Maine. It was built in 1957 and reconstructed in 1997, so it is 68 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 17,042 vehicles a day, roughly 5% of them trucks, projected to reach 23,859 by 2036. The structure is 155 ft (47.1 m) long and 37 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

Location

Open in Google Maps
CarriesRoute 1
CrossesMcrr (state Rr)
Location0.5 MI W of Townline
RouteState Highway 1
CountySagadahoc County
StateMaine
Coordinates43.96174, -69.7253
Functional classRural Principal Arterial - Other

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length155 ft (47.1 m)
Longest span50 ft (15.2 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,042 (2016)
Projected traffic23,859 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed55.9 mi (90 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 1 over Mcrr (state Rr) built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1997.

What condition is Route 1 over Mcrr (state Rr) 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 Route 1 over Mcrr (state Rr) carry?

About 17,042 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Route 1 over Mcrr (state Rr)?

The structure is 155 ft (47.1 m) long with a longest span of 50 ft (15.2 m) and a deck 37 ft wide.

Who owns Route 1 over Mcrr (state Rr)?

It is owned by the State Highway Agency.