US Bridges

Csah 28 over Mud Creek

Fair

Swift County, Minnesota · 0.1 MI W of JCT CSAH33 · Structure no. 92533

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
36 ft
2 main spans
Daily traffic
80
2013 count
Owner
County
County Highway Agency

About this bridge

Csah 28 over Mud Creek is a wood or timber slab carrying Csah 28 over Mud Creek in Swift County, Minnesota. It was built in 1964, so it is 61 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 80 vehicles a day, projected to reach 80 by 2039. The structure is 36 ft (11 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 28
CrossesMud Creek
Location0.1 MI W of JCT CSAH33
RouteCounty Highway 28
Coordinates45.38351, -95.36148
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span16 ft (5 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2013)
Projected traffic80 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 28 over Mud Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Csah 28 over Mud 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 2024.

How much traffic does Csah 28 over Mud Creek carry?

About 80 vehicles per day (2013 count).

How long is Csah 28 over Mud Creek?

The structure is 36 ft (11 m) long with a longest span of 16 ft (5 m) and a deck 31 ft wide.

Who owns Csah 28 over Mud Creek?

It is owned by the County Highway Agency.