US Bridges

T 108 over W Br Little Rock River

Fair

Nobles County, Minnesota · 1.3 MI W of JCT Csah 13 · Structure no. 95354

Built
1981
44 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
47
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 108 over W Br Little Rock River is a concrete culvert carrying T 108 over W Br Little Rock River in Nobles County, Minnesota. It was built in 1981, so it is 44 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 47 vehicles a day, projected to reach 47 by 2029. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 108
CrossesW Br Little Rock River
Location1.3 MI W of JCT Csah 13
RouteCounty Highway 108
Coordinates43.61598, -95.82064
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans2
Design loadHS 20
Structure length21 ft (6.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (1986)
Projected traffic47 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 108 over W Br Little Rock River built?

It was built in 1981, making it 44 years old in 2025.

What condition is T 108 over W Br Little Rock 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 2023.

How much traffic does T 108 over W Br Little Rock River carry?

About 47 vehicles per day (1986 count).

How long is T 108 over W Br Little Rock River?

The structure is 21 ft (6.5 m) long with a longest span of 9 ft (2.7 m).

Who owns T 108 over W Br Little Rock River?

It is owned by the Town or Township Highway Agency.