US Bridges

CR 108 over Buffalo Creek

PoorPosted for load

Wright County, Minnesota · 0.6 MI W of JCT CSAH12 · Structure no. 90687

Built
1940
85 years old
Condition
Poor
inspected September 2024
Type
Girder and Floorbeam System
Concrete
Length
41 ft
2 main spans
Daily traffic
953
2022 count
Owner
County
County Highway Agency

About this bridge

CR 108 over Buffalo Creek is a concrete girder and floorbeam system carrying CR 108 over Buffalo Creek in Wright County, Minnesota. It was built in 1940, so it is 85 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 4 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 953 vehicles a day, projected to reach 1,000 by 2042. The structure is 41 ft (12.5 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCR 108
CrossesBuffalo Creek
Location0.6 MI W of JCT CSAH12
RouteCounty Highway 108
Coordinates45.13876, -93.90913
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating32.4 US tons
Inventory rating21.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length41 ft (12.5 m)
Longest span18 ft (5.6 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic953 (2022)
Projected traffic1,000 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 108 over Buffalo Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is CR 108 over Buffalo 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 September 2024.

How much traffic does CR 108 over Buffalo Creek carry?

About 953 vehicles per day (2022 count).

How long is CR 108 over Buffalo Creek?

The structure is 41 ft (12.5 m) long with a longest span of 18 ft (5.6 m) and a deck 31 ft wide.

Who owns CR 108 over Buffalo Creek?

It is owned by the County Highway Agency.