US Bridges

T 148 over Sissabagamah Creek

Fair

Aitkin County, Minnesota · 1.2 MI W of JCT Csah 5 · Structure no. 91791

Built
1979
46 years old
Condition
Fair
inspected October 2022
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
29
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 148 over Sissabagamah Creek is a concrete culvert carrying T 148 over Sissabagamah Creek in Aitkin County, Minnesota. It was built in 1979, so it is 46 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 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 29 vehicles a day, projected to reach 29 by 2029. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesT 148
CrossesSissabagamah Creek
Location1.2 MI W of JCT Csah 5
RouteCounty Highway 148
Coordinates46.53032, -93.61252
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (1986)
Projected traffic29 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 148 over Sissabagamah Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is T 148 over Sissabagamah Creek 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 2022.

How much traffic does T 148 over Sissabagamah Creek carry?

About 29 vehicles per day (1986 count).

How long is T 148 over Sissabagamah Creek?

The structure is 39 ft (11.9 m) long with a longest span of 10 ft (2.9 m).

Who owns T 148 over Sissabagamah Creek?

It is owned by the Town or Township Highway Agency.