US Bridges

Old Patten RD over W Br Mattawamkeag River

Fair

Aroostook County, Maine · 0.3 MI N of JCT RTE 159 · Structure no. 2703

Built
1931
94 years old, rebuilt 2019
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
200
2016 count
Owner
State
State Highway Agency

About this bridge

Old Patten RD over W Br Mattawamkeag River is a steel stringer/multi-beam or girder carrying Old Patten RD over W Br Mattawamkeag River in Aroostook County, Maine. It was built in 1931 and reconstructed in 2019, so it is 94 years old, older 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 6 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2036. The structure is 59 ft (18 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Patten RD
CrossesW Br Mattawamkeag River
Location0.3 MI N of JCT RTE 159
RouteCity Street 0
StateMaine
Coordinates46.01223, -68.27649
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length59 ft (18 m)
Longest span57 ft (17.5 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2016)
Projected traffic320 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Old Patten RD over W Br Mattawamkeag River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2019.

What condition is Old Patten RD over W 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 November 2024.

How much traffic does Old Patten RD over W Br Mattawamkeag River carry?

About 200 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Old Patten RD over W Br Mattawamkeag River?

The structure is 59 ft (18 m) long with a longest span of 57 ft (17.5 m) and a deck 24 ft wide.

Who owns Old Patten RD over W Br Mattawamkeag River?

It is owned by the State Highway Agency.