US Bridges

Csah 40 over Marsh Creek

Good

Norman County, Minnesota · 0.5 MI S of JCT TH 200 · Structure no. 92738

Built
1971
54 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
120
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 40 over Marsh Creek is a concrete culvert carrying Csah 40 over Marsh Creek in Norman County, Minnesota. It was built in 1971, so it is 54 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, projected to reach 120 by 2039. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 40
CrossesMarsh Creek
Location0.5 MI S of JCT TH 200
RouteCounty Highway 40
CountyNorman County
StateMinnesota
Coordinates47.31743, -96.08819
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable 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 loadHS 20
Structure length39 ft (11.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2016)
Projected traffic120 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 40 over Marsh Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 40 over Marsh Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Csah 40 over Marsh Creek carry?

About 120 vehicles per day (2016 count).

How long is Csah 40 over Marsh Creek?

The structure is 39 ft (11.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 40 over Marsh Creek?

It is owned by the County Highway Agency.