US Bridges

Depot ST over Wilson Stream

Fair

Franklin County, Maine · 0.6 MI W JCT US 2 · Structure no. 2484

Built
1928
97 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
2,942
2016 count
Owner
State
State Highway Agency

About this bridge

Depot ST over Wilson Stream is a concrete tee beam carrying Depot ST over Wilson Stream in Franklin County, Maine. It was built in 1928, so it is 97 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 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 2,942 vehicles a day, roughly 5% of them trucks, projected to reach 4,119 by 2036. The structure is 38 ft (11.6 m) long and 34 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesDepot ST
CrossesWilson Stream
Location0.6 MI W JCT US 2
RouteCounty Highway 156
StateMaine
Coordinates44.59017, -70.21932
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.8 US tons
Inventory rating12.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length38 ft (11.6 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,942 (2016)
Projected traffic4,119 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.9 mi (40 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 Depot ST over Wilson Stream built?

It was built in 1928, making it 97 years old in 2025.

What condition is Depot ST over Wilson Stream 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 2023.

How much traffic does Depot ST over Wilson Stream carry?

About 2,942 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Depot ST over Wilson Stream?

The structure is 38 ft (11.6 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns Depot ST over Wilson Stream?

It is owned by the State Highway Agency.