US Bridges

CR 51 over Wolverton Creek

PoorPosted for load

Clay County, Minnesota · 1.4 MI E of JCT TH 75 · Structure no. 92612

Built
1969
56 years old
Condition
Poor
inspected January 2025
Type
Channel Beam
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
20
2017 count
Owner
County
County Highway Agency

About this bridge

CR 51 over Wolverton Creek is a prestressed concrete channel beam carrying CR 51 over Wolverton Creek in Clay County, Minnesota. It was built in 1969, so it is 56 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2039. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 51
CrossesWolverton Creek
Location1.4 MI E of JCT TH 75
RouteCounty Highway 51
Coordinates46.64491, -96.72909
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating9 US tons
Inventory rating5.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (6.9 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2017)
Projected traffic20 by 2039
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

OwnerCounty Highway Agency
Maintained byCounty 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 CR 51 over Wolverton Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is CR 51 over Wolverton Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does CR 51 over Wolverton Creek carry?

About 20 vehicles per day (2017 count).

How long is CR 51 over Wolverton Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (6.9 m) and a deck 32 ft wide.

Who owns CR 51 over Wolverton Creek?

It is owned by the County Highway Agency.