US Bridges

Downy Ave over Unnamed Str

Good

Chariton County, Missouri · S 25 T 56 N R 21 W · Structure no. 37044

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Downy Ave over Unnamed Str is a steel culvert carrying Downy Ave over Unnamed Str in Chariton County, Missouri. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2043. The structure is 22 ft (6.7 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDowny Ave
CrossesUnnamed Str
LocationS 25 T 56 N R 21 W
RouteCounty Highway 20
CountyChariton County
StateMissouri
Coordinates39.64371, -93.21557
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span9 ft (2.6 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 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 closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Downy Ave over Unnamed Str built?

It was built in 2022, making it 3 years old in 2025.

What condition is Downy Ave over Unnamed Str 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 September 2024.

How much traffic does Downy Ave over Unnamed Str carry?

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

How long is Downy Ave over Unnamed Str?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.6 m) and a deck 22 ft wide.

Who owns Downy Ave over Unnamed Str?

It is owned by the County Highway Agency.