US Bridges

N Main over Br of Mound CR

Fair

Bates County, Missouri · S 15 T 40 N R 31 W · Structure no. 19219

Built
1920
105 years old, rebuilt 1934
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
24 ft
1 main span
Daily traffic
300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Main over Br of Mound CR is a concrete tee beam carrying N Main over Br of Mound CR in Bates County, Missouri. It was built in 1920 and reconstructed in 1934, so it is 105 years old, older than the Missouri average of 45.1 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 390 by 2043. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN Main
CrossesBr of Mound CR
LocationS 15 T 40 N R 31 W
RouteCounty Highway 214
Coordinates38.26774, -94.33078
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
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be 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 rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic390 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N Main over Br of Mound CR built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1934.

What condition is N Main over Br of Mound CR 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 January 2025.

How much traffic does N Main over Br of Mound CR carry?

About 300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is N Main over Br of Mound CR?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns N Main over Br of Mound CR?

It is owned by the City or Municipal Highway Agency.