US Bridges

Sligo RD over Main Central Railroad

Good

Cumberland County, Maine · .6 MI SE Route 9 · Structure no. 0208

Built
2000
25 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
580
2016 count
Owner
Railroad
Railroad

About this bridge

Sligo RD over Main Central Railroad is a prestressed concrete box beam or girders - multiple carrying Sligo RD over Main Central Railroad in Cumberland County, Maine. It was built in 2000, so it is 25 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 580 vehicles a day, roughly 5% of them trucks, projected to reach 928 by 2036. The structure is 56 ft (17 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSligo RD
CrossesMain Central Railroad
Location.6 MI SE Route 9
RouteCity Street 0
StateMaine
Coordinates43.83796, -70.22406
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length56 ft (17 m)
Longest span53 ft (16.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2016)
Projected traffic928 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
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 Sligo RD over Main Central Railroad built?

It was built in 2000, making it 25 years old in 2025.

What condition is Sligo RD over Main Central Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Sligo RD over Main Central Railroad carry?

About 580 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Sligo RD over Main Central Railroad?

The structure is 56 ft (17 m) long with a longest span of 53 ft (16.2 m) and a deck 30 ft wide.

Who owns Sligo RD over Main Central Railroad?

It is owned by the Railroad and maintained by the State Highway Agency.