US Bridges

Stillwater Av over N Chan Stillwater River

Fair

Penobscot County, Maine · 0.7 MI N of JCT I-95 · Structure no. 2806

Built
1952
73 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
3 main spans
Daily traffic
16,728
2016 count
Owner
State
State Highway Agency

About this bridge

Stillwater Av over N Chan Stillwater River is a steel continuous stringer/multi-beam or girder carrying Stillwater Av over N Chan Stillwater River in Penobscot County, Maine. It was built in 1952, so it is 73 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. Its operating status is: open, temporary structure in place while original is closed.

It carries about 16,728 vehicles a day, roughly 5% of them trucks, projected to reach 23,419 by 2036. The structure is 254 ft (77.5 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStillwater Av
CrossesN Chan Stillwater River
Location0.7 MI N of JCT I-95
RouteState Highway 0
StateMaine
Coordinates44.91244, -68.68446
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating0 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length254 ft (77.5 m)
Longest span100 ft (30.5 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,728 (2016)
Projected traffic23,419 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Stillwater Av over N Chan Stillwater River built?

It was built in 1952, making it 73 years old in 2025.

What condition is Stillwater Av over N Chan Stillwater 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 Stillwater Av over N Chan Stillwater River carry?

About 16,728 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Stillwater Av over N Chan Stillwater River?

The structure is 254 ft (77.5 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.

Who owns Stillwater Av over N Chan Stillwater River?

It is owned by the State Highway Agency.