US Bridges

Parkway DR over Bonhomme CR

Good

St. Louis County, Missouri · S 2 T 44 N R 3 E · Structure no. 35213

Built
2015
10 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
10
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Parkway DR over Bonhomme CR is a concrete culvert carrying Parkway DR over Bonhomme CR in St. Louis County, Missouri. It was built in 2015, so it is 10 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 14 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesParkway DR
CrossesBonhomme CR
LocationS 2 T 44 N R 3 E
RouteCity Street 0
Coordinates38.58711, -90.64731
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal 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
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic14 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 Parkway DR over Bonhomme CR built?

It was built in 2015, making it 10 years old in 2025.

What condition is Parkway DR over Bonhomme 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 January 2024.

How much traffic does Parkway DR over Bonhomme CR carry?

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

How long is Parkway DR over Bonhomme CR?

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

Who owns Parkway DR over Bonhomme CR?

It is owned by the City or Municipal Highway Agency.