US Bridges

Csah 42 over Plum Creek

Good

Murray County, Minnesota · 1.3 MI N of JCT Csah 17 · Structure no. 51518

Built
1980
45 years old
Condition
Good
inspected October 2023
Type
Slab
Wood or Timber
Length
84 ft
3 main spans
Daily traffic
40
2013 count
Owner
County
County Highway Agency

About this bridge

Csah 42 over Plum Creek is a wood or timber slab carrying Csah 42 over Plum Creek in Murray County, Minnesota. It was built in 1980, so it is 45 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 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 40 vehicles a day, projected to reach 40 by 2034. The structure is 84 ft (25.6 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 42
CrossesPlum Creek
Location1.3 MI N of JCT Csah 17
RouteCounty Highway 42
Coordinates44.15546, -95.54328
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2013)
Projected traffic40 by 2034
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 42 over Plum Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Csah 42 over Plum 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 42 over Plum Creek carry?

About 40 vehicles per day (2013 count).

How long is Csah 42 over Plum Creek?

The structure is 84 ft (25.6 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns Csah 42 over Plum Creek?

It is owned by the County Highway Agency.