US Bridges

Florissant Park DR over Daniel Boone CR

FairPosted for load

St. Louis County, Missouri · S 176 T 47 N R 6 E · Structure no. 17244

Built
1955
70 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
1,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Florissant Park DR over Daniel Boone CR is a concrete continuous culvert carrying Florissant Park DR over Daniel Boone CR in St. Louis County, Missouri. It was built in 1955, so it is 70 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,350 by 2043. The structure is 26 ft (7.9 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesFlorissant Park DR
CrossesDaniel Boone CR
LocationS 176 T 47 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.80472, -90.33488
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadOther
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,350 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Florissant Park DR over Daniel Boone CR built?

It was built in 1955, making it 70 years old in 2025.

What condition is Florissant Park DR over Daniel Boone 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 2024.

How much traffic does Florissant Park DR over Daniel Boone CR carry?

About 1,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Florissant Park DR over Daniel Boone CR?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Florissant Park DR over Daniel Boone CR?

It is owned by the City or Municipal Highway Agency.