US Bridges

CR 135 over Clearwater River

Fair

Wright County, Minnesota · At N County Line · Structure no. L9521

Built
1974
51 years old
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
61 ft
3 main spans
Daily traffic
736
2022 count
Owner
County
County Highway Agency

About this bridge

CR 135 over Clearwater River is a wood or timber slab carrying CR 135 over Clearwater River in Wright 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.

It carries about 736 vehicles a day, projected to reach 680 by 2042. The structure is 61 ft (18.6 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCR 135
CrossesClearwater River
LocationAt N County Line
RouteCounty Highway 135
CountyWright County
StateMinnesota
Coordinates45.30377, -94.15723
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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50.6 US tons
Inventory rating35.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic736 (2022)
Projected traffic680 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 135 over Clearwater River built?

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

What condition is CR 135 over Clearwater 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 September 2023.

How much traffic does CR 135 over Clearwater River carry?

About 736 vehicles per day (2022 count).

How long is CR 135 over Clearwater River?

The structure is 61 ft (18.6 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns CR 135 over Clearwater River?

It is owned by the County Highway Agency.