US Bridges

CR 54 over Little Rock River

FairPosted for load

Nobles County, Minnesota · 1.2 MI E of JCT Csah 15 · Structure no. 53522

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Slab
Wood or Timber
Length
127 ft
4 main spans
Daily traffic
80
2015 count
Owner
County
County Highway Agency

About this bridge

CR 54 over Little Rock River is a wood or timber slab carrying CR 54 over Little Rock River in Nobles County, Minnesota. It was built in 1977, so it is 48 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 80 by 2039. The structure is 127 ft (38.7 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 54
CrossesLittle Rock River
Location1.2 MI E of JCT Csah 15
RouteCounty Highway 54
Coordinates43.5128, -95.85151
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating47.5 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span32 ft (9.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2015)
Projected traffic80 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 CR 54 over Little Rock River built?

It was built in 1977, making it 48 years old in 2025.

What condition is CR 54 over Little Rock River 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 2023.

How much traffic does CR 54 over Little Rock River carry?

About 80 vehicles per day (2015 count).

How long is CR 54 over Little Rock River?

The structure is 127 ft (38.7 m) long with a longest span of 32 ft (9.7 m) and a deck 34 ft wide.

Who owns CR 54 over Little Rock River?

It is owned by the County Highway Agency.