US Bridges

T 30 over Snake River

FairPosted for load

Aitkin County, Minnesota · 0.1 MI W of JCT TH 65 · Structure no. 01511

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
62 ft
3 main spans
Daily traffic
5
1996 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 30 over Snake River is a wood or timber slab carrying T 30 over Snake River in Aitkin County, Minnesota. It was built in 1976, so it is 49 years old, older than the Minnesota average of 38.5 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. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 5 by 2029. The structure is 62 ft (19 m) long and 22 ft wide. If it were closed, the detour would be 123 mi (198 km).

Location

Open in Google Maps
CarriesT 30
CrossesSnake River
Location0.1 MI W of JCT TH 65
RouteCounty Highway 30
CountyAitkin County
StateMinnesota
Coordinates46.30331, -93.26225
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating38.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length62 ft (19 m)
Longest span26 ft (8 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (1996)
Projected traffic5 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$25 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 30 over Snake River built?

It was built in 1976, making it 49 years old in 2025.

What condition is T 30 over Snake 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 October 2024.

How much traffic does T 30 over Snake River carry?

About 5 vehicles per day (1996 count).

How long is T 30 over Snake River?

The structure is 62 ft (19 m) long with a longest span of 26 ft (8 m) and a deck 22 ft wide.

Who owns T 30 over Snake River?

It is owned by the Town or Township Highway Agency.