US Bridges

CO RD SE 1821 over W Br of Lost CR

Good

Johnson County, Missouri · S 11 T 45 N R 29 W · Structure no. 21419

Built
1900
125 years old, rebuilt 1988
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
60
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD SE 1821 over W Br of Lost CR is a steel stringer/multi-beam or girder carrying CO RD SE 1821 over W Br of Lost CR in Johnson County, Missouri. It was built in 1900 and reconstructed in 1988, so it is 125 years old, older 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.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 96 by 2043. The structure is 25 ft (7.6 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO RD SE 1821
CrossesW Br of Lost CR
LocationS 11 T 45 N R 29 W
RouteCounty Highway 305
Coordinates38.71307, -94.09391
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.7 US tons
Inventory rating20.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic96 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 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 CO RD SE 1821 over W Br of Lost CR built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1988.

What condition is CO RD SE 1821 over W Br of Lost 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 CO RD SE 1821 over W Br of Lost CR carry?

About 60 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CO RD SE 1821 over W Br of Lost CR?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 21 ft wide.

Who owns CO RD SE 1821 over W Br of Lost CR?

It is owned by the County Highway Agency.