US Bridges

Csah 35 over Mill Creek

Fair

Wright County, Minnesota · 1.5 MI E of JCT CR109 · Structure no. 4485

Built
1925
100 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
7,355
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 35 over Mill Creek is a concrete culvert carrying Csah 35 over Mill Creek in Wright County, Minnesota. It was built in 1925, so it is 100 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 5 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 7,355 vehicles a day, projected to reach 6,700 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCsah 35
CrossesMill Creek
Location1.5 MI E of JCT CR109
RouteCounty Highway 35
Coordinates45.17212, -93.90911
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 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 traffic7,355 (2022)
Projected traffic6,700 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Csah 35 over Mill Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Csah 35 over Mill 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 2024.

How much traffic does Csah 35 over Mill Creek carry?

About 7,355 vehicles per day (2022 count).

How long is Csah 35 over Mill Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 35 over Mill Creek?

It is owned by the County Highway Agency.