US Bridges

T 25 over Little Iowa River

Fair

Mower County, Minnesota · 1.9 MI W of County Line · Structure no. 50J58

Built
2001
24 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
20
2001 count
Owner
County
County Highway Agency

About this bridge

T 25 over Little Iowa River is a concrete culvert carrying T 25 over Little Iowa River in Mower County, Minnesota. It was built in 2001, so it is 24 years old, younger 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 20 vehicles a day, projected to reach 20 by 2029. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 25
CrossesLittle Iowa River
Location1.9 MI W of County Line
RouteCounty Highway 25
Coordinates43.58719, -92.48782
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 inspectionJuly 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 25 or greater
Structure length29 ft (8.9 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2001)
Projected traffic20 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 25 over Little Iowa River built?

It was built in 2001, making it 24 years old in 2025.

What condition is T 25 over Little Iowa 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 2023.

How much traffic does T 25 over Little Iowa River carry?

About 20 vehicles per day (2001 count).

How long is T 25 over Little Iowa River?

The structure is 29 ft (8.9 m) long with a longest span of 11 ft (3.5 m).

Who owns T 25 over Little Iowa River?

It is owned by the County Highway Agency.