US Bridges

CR 90 over Twelve Mile Creek

Fair

Traverse County, Minnesota · 0.8 MI W of JCT Csah 13 · Structure no. 78504

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
10
2008 count
Owner
County
County Highway Agency

About this bridge

CR 90 over Twelve Mile Creek is a prestressed concrete tee beam carrying CR 90 over Twelve Mile Creek in Traverse County, Minnesota. It was built in 1979, so it is 46 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 10 vehicles a day, projected to reach 10 by 2039. The structure is 94 ft (28.5 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 90
CrossesTwelve Mile Creek
Location0.8 MI W of JCT Csah 13
RouteCounty Highway 90
Coordinates45.87499, -96.35503
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.4 US tons
Inventory rating34.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length94 ft (28.5 m)
Longest span91 ft (27.6 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2008)
Projected traffic10 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 90 over Twelve Mile Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is CR 90 over Twelve Mile 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 October 2023.

How much traffic does CR 90 over Twelve Mile Creek carry?

About 10 vehicles per day (2008 count).

How long is CR 90 over Twelve Mile Creek?

The structure is 94 ft (28.5 m) long with a longest span of 91 ft (27.6 m) and a deck 32 ft wide.

Who owns CR 90 over Twelve Mile Creek?

It is owned by the County Highway Agency.