US Bridges

CR 117 over Forest Prairie Creek

FairPosted for load

Le Sueur County, Minnesota · 0.5 MI E of TH 112 · Structure no. 40506

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
88 ft
4 main spans
Daily traffic
85
2022 count
Owner
County
County Highway Agency

About this bridge

CR 117 over Forest Prairie Creek is a wood or timber slab carrying CR 117 over Forest Prairie Creek in Le Sueur County, Minnesota. It was built in 1974, so it is 51 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 85 vehicles a day, projected to reach 90 by 2042. The structure is 88 ft (26.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 117
CrossesForest Prairie Creek
Location0.5 MI E of TH 112
RouteCounty Highway 117
CountyLe Sueur County
StateMinnesota
Coordinates44.47506, -93.895
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 20
Structure length88 ft (26.8 m)
Longest span26 ft (7.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2022)
Projected traffic90 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$998.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 117 over Forest Prairie Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is CR 117 over Forest Prairie 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 CR 117 over Forest Prairie Creek carry?

About 85 vehicles per day (2022 count).

How long is CR 117 over Forest Prairie Creek?

The structure is 88 ft (26.8 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns CR 117 over Forest Prairie Creek?

It is owned by the County Highway Agency.