US Bridges

T 239 over S Br Buffalo River

GoodPosted for load

Clay County, Minnesota · 0.6 MI E of JCT Csah 11 · Structure no. L9049

Built
1974
51 years old
Condition
Good
inspected August 2023
Type
Slab
Wood or Timber
Length
104 ft
4 main spans
Daily traffic
20
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 239 over S Br Buffalo River is a wood or timber slab carrying T 239 over S Br Buffalo River in Clay County, Minnesota. It was built in 1974, so it is 51 years old, older 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 104 ft (31.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 239
CrossesS Br Buffalo River
Location0.6 MI E of JCT Csah 11
RouteCounty Highway 239
Coordinates46.74677, -96.64252
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating33.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length104 ft (31.7 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1986)
Projected traffic20 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 239 over S Br Buffalo River built?

It was built in 1974, making it 51 years old in 2025.

What condition is T 239 over S Br Buffalo 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 August 2023.

How much traffic does T 239 over S Br Buffalo River carry?

About 20 vehicles per day (1986 count).

How long is T 239 over S Br Buffalo River?

The structure is 104 ft (31.7 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns T 239 over S Br Buffalo River?

It is owned by the Town or Township Highway Agency.