US Bridges

T 239 over Little Rock Creek

Good

Benton County, Minnesota · 0.5 MI N of JCT Csah 12 · Structure no. 95314

Built
1997
28 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
44 ft
1 main span
Daily traffic
45
1996 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 239 over Little Rock Creek is a concrete culvert carrying T 239 over Little Rock Creek in Benton County, Minnesota. It was built in 1997, so it is 28 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45 vehicles a day, projected to reach 45 by 2029. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 239
CrossesLittle Rock Creek
Location0.5 MI N of JCT Csah 12
RouteCounty Highway 239
Coordinates45.775, -94.19667
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (1996)
Projected traffic45 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

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 239 over Little Rock Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is T 239 over Little Rock Creek 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 September 2022.

How much traffic does T 239 over Little Rock Creek carry?

About 45 vehicles per day (1996 count).

How long is T 239 over Little Rock Creek?

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

Who owns T 239 over Little Rock Creek?

It is owned by the Town or Township Highway Agency.