US Bridges

Park Ave over Flat CR

Good

Franklin County, Missouri · S 27 T 43 N R 1 W · Structure no. 36021

Built
2019
6 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
1,650
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Park Ave over Flat CR is a prestressed concrete box beam or girders - single or spread carrying Park Ave over Flat CR in Franklin County, Missouri. It was built in 2019, so it is 6 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.

It carries about 1,650 vehicles a day, roughly 10% of them trucks, projected to reach 2,640 by 2043. The structure is 42 ft (12.7 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPark Ave
CrossesFlat CR
LocationS 27 T 43 N R 1 W
RouteCity Street 0
CountyFranklin County
StateMissouri
Coordinates38.44996, -91.01727
Functional classUrban 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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 alignment7: Better than present minimum criteria
Operating rating74.4 US tons
Inventory rating57.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.7 m)
Longest span40 ft (12.3 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic2,640 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Park Ave over Flat CR built?

It was built in 2019, making it 6 years old in 2025.

What condition is Park Ave over 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 2025.

How much traffic does Park Ave over Flat CR carry?

About 1,650 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Park Ave over Flat CR?

The structure is 42 ft (12.7 m) long with a longest span of 40 ft (12.3 m) and a deck 40 ft wide.

Who owns Park Ave over Flat CR?

It is owned by the City or Municipal Highway Agency.