US Bridges

T 21 over W Br Little Rock River

Good

Nobles County, Minnesota · 0.2 MI N of JCT Csah 6 · Structure no. 53J04

Built
1995
30 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
26
1995 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 21 over W Br Little Rock River is a concrete culvert carrying T 21 over W Br Little Rock River in Nobles County, Minnesota. It was built in 1995, so it is 30 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26 vehicles a day, projected to reach 26 by 2029. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 21
CrossesW Br Little Rock River
Location0.2 MI N of JCT Csah 6
RouteCounty Highway 21
Coordinates43.54763, -95.85397
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length44 ft (13.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (1995)
Projected traffic26 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 21 over W Br Little Rock River built?

It was built in 1995, making it 30 years old in 2025.

What condition is T 21 over W Br Little Rock River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does T 21 over W Br Little Rock River carry?

About 26 vehicles per day (1995 count).

How long is T 21 over W Br Little Rock River?

The structure is 44 ft (13.4 m) long with a longest span of 12 ft (3.7 m).

Who owns T 21 over W Br Little Rock River?

It is owned by the Town or Township Highway Agency.