US Bridges

US 75 over Wolverton Creek

Fair

Clay County, Minnesota · 2.2 MI N of Comstock · Structure no. 8770

Built
1952
73 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,354
2022 count
Owner
State
State Highway Agency

About this bridge

US 75 over Wolverton Creek is a concrete culvert carrying US 75 over Wolverton Creek in Clay County, Minnesota. It was built in 1952, so it is 73 years old, older 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 1,354 vehicles a day, roughly 13% of them trucks, projected to reach 1,250 by 2042. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesUS 75
CrossesWolverton Creek
Location2.2 MI N of Comstock
RouteU.S. Route 75
CountyClay County
StateMinnesota
Coordinates46.69138, -96.75865
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length27 ft (8.3 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 traffic1,354 (2022)
Projected traffic1,250 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$88 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 75 over Wolverton Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is US 75 over Wolverton Creek 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 September 2023.

How much traffic does US 75 over Wolverton Creek carry?

About 1,354 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US 75 over Wolverton Creek?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).

Who owns US 75 over Wolverton Creek?

It is owned by the State Highway Agency.