US Bridges

Sebago RD over Muddy River

Good

Cumberland County, Maine · 0.9 MI Nly of Sebago · Structure no. 2199

Built
2016
9 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
2,190
2016 count
Owner
State
State Highway Agency

About this bridge

Sebago RD over Muddy River is a prestressed concrete tee beam carrying Sebago RD over Muddy River in Cumberland County, Maine. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,190 vehicles a day, roughly 5% of them trucks, projected to reach 3,066 by 2036. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

CarriesSebago RD
CrossesMuddy River
Location0.9 MI Nly of Sebago
RouteState Highway 11
StateMaine
Coordinates43.92663, -70.61457
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length80 ft (24.4 m)
Longest span77 ft (23.5 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,190 (2016)
Projected traffic3,066 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.9 mi (90 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sebago RD over Muddy River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Sebago RD over Muddy River 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 August 2024.

How much traffic does Sebago RD over Muddy River carry?

About 2,190 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Sebago RD over Muddy River?

The structure is 80 ft (24.4 m) long with a longest span of 77 ft (23.5 m) and a deck 31 ft wide.

Who owns Sebago RD over Muddy River?

It is owned by the State Highway Agency.