US Bridges

County RD 1020 over Clear CR

GoodPosted for load

Lawrence County, Missouri · S 30 T 26 N R 28 W · Structure no. 28855

Built
1990
35 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1020 over Clear CR is a prestressed concrete tee beam carrying County RD 1020 over Clear CR in Lawrence County, Missouri. It was built in 1990, so it is 35 years old, younger than the Missouri average of 45.1 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 58 ft (17.7 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 1020
CrossesClear CR
LocationS 30 T 26 N R 28 W
RouteCounty Highway 634
Coordinates36.93789, -94.02645
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length58 ft (17.7 m)
Longest span52 ft (15.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
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 byOther Local 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 County RD 1020 over Clear CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is County RD 1020 over Clear CR 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 March 2023.

How much traffic does County RD 1020 over Clear CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1020 over Clear CR?

The structure is 58 ft (17.7 m) long with a longest span of 52 ft (15.8 m) and a deck 20 ft wide.

Who owns County RD 1020 over Clear CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.