US Bridges

Forest Park RD over Trib of Flat CR

Good

Pettis County, Missouri · S 21 T 45 N R 21 W · Structure no. 36608

Built
2020
5 years old
Condition
Good
inspected February 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
24 ft
1 main span
Daily traffic
200
2024 count
Owner
County
County Highway Agency

About this bridge

Forest Park RD over Trib of Flat CR is a aluminum, wrought iron, or cast iron culvert carrying Forest Park RD over Trib of Flat CR in Pettis County, Missouri. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 340 by 2044. The structure is 24 ft (7.3 m) long and 35 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesForest Park RD
CrossesTrib of Flat CR
LocationS 21 T 45 N R 21 W
RouteCounty Highway 235
Coordinates38.66736, -93.23286
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
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
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width35 ft (10.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic340 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Forest Park RD over Trib of Flat CR built?

It was built in 2020, making it 5 years old in 2025.

What condition is Forest Park RD over Trib of Flat 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 February 2024.

How much traffic does Forest Park RD over Trib of Flat CR carry?

About 200 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Forest Park RD over Trib of Flat CR?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.

Who owns Forest Park RD over Trib of Flat CR?

It is owned by the County Highway Agency.