US Bridges

South RD over E Br Mattawamkeag River

Fair

Aroostook County, Maine · 200 E of JCT River RD · Structure no. 0153

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
94 ft
1 main span
Daily traffic
77
2023 count
Owner
State
State Highway Agency

About this bridge

South RD over E Br Mattawamkeag River is a steel stringer/multi-beam or girder carrying South RD over E Br Mattawamkeag River in Aroostook County, Maine. It was built in 1975, so it is 50 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 77 vehicles a day, roughly 5% of them trucks, projected to reach 123 by 2036. The structure is 94 ft (28.8 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSouth RD
CrossesE Br Mattawamkeag River
Location200 E of JCT River RD
RouteCity Street 0
StateMaine
Coordinates46.04661, -68.15762
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating63.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length94 ft (28.8 m)
Longest span89 ft (27.1 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2023)
Projected traffic123 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 South RD over E Br Mattawamkeag River built?

It was built in 1975, making it 50 years old in 2025.

What condition is South RD over E Br Mattawamkeag River 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 July 2024.

How much traffic does South RD over E Br Mattawamkeag River carry?

About 77 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is South RD over E Br Mattawamkeag River?

The structure is 94 ft (28.8 m) long with a longest span of 89 ft (27.1 m) and a deck 31 ft wide.

Who owns South RD over E Br Mattawamkeag River?

It is owned by the State Highway Agency.