US Bridges

Wilder RD over Mdot RR

Fair

Sagadahoc County, Maine · 0.1 MI S US 1 · Structure no. 5399

Built
1949
76 years old, rebuilt 1986
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
3 main spans
Daily traffic
1,990
2016 count
Owner
State
State Highway Agency

About this bridge

Wilder RD over Mdot RR is a steel stringer/multi-beam or girder carrying Wilder RD over Mdot RR in Sagadahoc County, Maine. It was built in 1949 and reconstructed in 1986, 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 1,990 vehicles a day, roughly 5% of them trucks, projected to reach 2,985 by 2036. The structure is 100 ft (30.5 m) long and 28 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesWilder RD
CrossesMdot RR
Location0.1 MI S US 1
RouteCounty Highway 127
CountySagadahoc County
StateMaine
Coordinates43.91165, -69.80149
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (2016)
Projected traffic2,985 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed18 mi (29 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wilder RD over Mdot RR built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1986.

What condition is Wilder RD over Mdot 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 December 2024.

How much traffic does Wilder RD over Mdot RR carry?

About 1,990 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Wilder RD over Mdot RR?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Wilder RD over Mdot RR?

It is owned by the State Highway Agency.