US Bridges

CR 77 over Little Rock Creek

FairPosted for load

Renville County, Minnesota · 0.5 MI W of JCT Csah 27 · Structure no. 65523

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
62 ft
3 main spans
Daily traffic
40
2011 count
Owner
County
County Highway Agency

About this bridge

CR 77 over Little Rock Creek is a wood or timber slab carrying CR 77 over Little Rock Creek in Renville County, Minnesota. It was built in 1965, so it is 60 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 5 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 40 vehicles a day, projected to reach 40 by 2039. The structure is 62 ft (18.8 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 77
CrossesLittle Rock Creek
Location0.5 MI W of JCT Csah 27
RouteCounty Highway 77
CountyRenville County
StateMinnesota
Coordinates44.47059, -94.65476
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.1 US tons
Inventory rating38.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length62 ft (18.8 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2011)
Projected traffic40 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 CR 77 over Little Rock Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is CR 77 over Little Rock 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 November 2023.

How much traffic does CR 77 over Little Rock Creek carry?

About 40 vehicles per day (2011 count).

How long is CR 77 over Little Rock Creek?

The structure is 62 ft (18.8 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns CR 77 over Little Rock Creek?

It is owned by the County Highway Agency.