US Bridges

County RD 1645 over Br of Walnut CR

GoodPosted for load

Randolph County, Missouri · S 28 T 55 N R 14 W · Structure no. 16595

Built
1982
43 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Concrete
Length
67 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1645 over Br of Walnut CR is a concrete tee beam carrying County RD 1645 over Br of Walnut CR in Randolph County, Missouri. It was built in 1982, so it is 43 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2043. The structure is 67 ft (20.4 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty RD 1645
CrossesBr of Walnut CR
LocationS 28 T 55 N R 14 W
RouteCounty Highway 126
CountyRandolph County
StateMissouri
Coordinates39.53462, -92.51348
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length67 ft (20.4 m)
Longest span64 ft (19.5 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic39 by 2043
Trucks10%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1645 over Br of Walnut CR built?

It was built in 1982, making it 43 years old in 2025.

What condition is County RD 1645 over Br of Walnut 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 December 2024.

How much traffic does County RD 1645 over Br of Walnut CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1645 over Br of Walnut CR?

The structure is 67 ft (20.4 m) long with a longest span of 64 ft (19.5 m) and a deck 23 ft wide.

Who owns County RD 1645 over Br of Walnut CR?

It is owned by the County Highway Agency.