US Bridges

T 138 over ST Francis River

Good

Benton County, Minnesota · 0.3 MI W of JCT Csah 7 · Structure no. 05J07

Built
2001
24 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
20
2001 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 138 over ST Francis River is a concrete culvert carrying T 138 over ST Francis River in Benton 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 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 20 vehicles a day, projected to reach 20 by 2029. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 138
CrossesST Francis River
Location0.3 MI W of JCT Csah 7
RouteCounty Highway 138
Coordinates45.70619, -93.82996
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 inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span12 ft (3.8 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

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 138 over ST Francis River built?

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

What condition is T 138 over ST Francis 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 138 over ST Francis River carry?

About 20 vehicles per day (2001 count).

How long is T 138 over ST Francis River?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.8 m).

Who owns T 138 over ST Francis River?

It is owned by the Town or Township Highway Agency.