US Bridges

Csah 54 over Mud River

Good

Marshall County, Minnesota · 0.3 MI N of JCT TH 89 · Structure no. 45556

Built
1995
30 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
76 ft
3 main spans
Daily traffic
348
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 54 over Mud River is a prestressed concrete tee beam carrying Csah 54 over Mud River in Marshall County, Minnesota. It was built in 1995, so it is 30 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 348 vehicles a day, projected to reach 440 by 2042. The structure is 76 ft (23.2 m) long and 44 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCsah 54
CrossesMud River
Location0.3 MI N of JCT TH 89
RouteCounty Highway 54
Coordinates48.30287, -95.61494
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.8 US tons
Inventory rating69.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length76 ft (23.2 m)
Longest span25 ft (7.7 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic348 (2022)
Projected traffic440 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 54 over Mud River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Csah 54 over Mud River 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 2024.

How much traffic does Csah 54 over Mud River carry?

About 348 vehicles per day (2022 count).

How long is Csah 54 over Mud River?

The structure is 76 ft (23.2 m) long with a longest span of 25 ft (7.7 m) and a deck 44 ft wide.

Who owns Csah 54 over Mud River?

It is owned by the County Highway Agency.