US Bridges

Marston RD over Maine Central Railroad

PoorClosed to traffic

Kennebec County, Maine · .05 MI S JCT County RD · Structure no. 0495

Built
1928
97 years old
Condition
Poor
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
30 ft
1 main span
Daily traffic
807
2016 count
Owner
Railroad
Railroad

About this bridge

Marston RD over Maine Central Railroad is a steel girder and floorbeam system carrying Marston RD over Maine Central Railroad in Kennebec County, Maine. It was built in 1928, so it is 97 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 807 vehicles a day, roughly 5% of them trucks, projected to reach 1,291 by 2036. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMarston RD
CrossesMaine Central Railroad
Location.05 MI S JCT County RD
RouteCity Street 0
CountyKennebec County
StateMaine
Coordinates44.57779, -69.66686
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating12.5 US tons
Inventory rating9.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic807 (2016)
Projected traffic1,291 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
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 Marston RD over Maine Central Railroad built?

It was built in 1928, making it 97 years old in 2025.

What condition is Marston RD over Maine Central Railroad in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Marston RD over Maine Central Railroad carry?

About 807 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Marston RD over Maine Central Railroad?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 18 ft wide.

Who owns Marston RD over Maine Central Railroad?

It is owned by the Railroad.