US Bridges

Post RD over B & M RR

Fair

York County, Maine · 1.4 MI So Townline · Structure no. 1102

Built
1981
44 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
115 ft
1 main span
Daily traffic
6,169
2016 count
Owner
State
State Highway Agency

About this bridge

Post RD over B & M RR is a steel stringer/multi-beam or girder carrying Post RD over B & M RR in York County, Maine. It was built in 1981, so it is 44 years old, younger 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 6,169 vehicles a day, roughly 5% of them trucks, projected to reach 8,637 by 2036. The structure is 115 ft (34.9 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPost RD
CrossesB & M RR
Location1.4 MI So Townline
RouteState Highway 1
StateMaine
Coordinates43.34836, -70.55912
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length115 ft (34.9 m)
Longest span103 ft (31.4 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,169 (2016)
Projected traffic8,637 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 Post RD over B & M RR built?

It was built in 1981, making it 44 years old in 2025.

What condition is Post RD over B & M 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 November 2023.

How much traffic does Post RD over B & M RR carry?

About 6,169 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Post RD over B & M RR?

The structure is 115 ft (34.9 m) long with a longest span of 103 ft (31.4 m) and a deck 49 ft wide.

Who owns Post RD over B & M RR?

It is owned by the State Highway Agency.