US Bridges

Pond RD over Trib to Bonhomme C

Fair

St. Louis County, Missouri · S 35 T 45 N R 3 E · Structure no. 35211

Built
2001
24 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
560
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pond RD over Trib to Bonhomme C is a concrete culvert carrying Pond RD over Trib to Bonhomme C in St. Louis County, Missouri. It was built in 2001, so it is 24 years old, younger 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.

It carries about 560 vehicles a day, roughly 2% of them trucks, projected to reach 756 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesPond RD
CrossesTrib to Bonhomme C
LocationS 35 T 45 N R 3 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.59216, -90.65703
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2023)
Projected traffic756 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Pond RD over Trib to Bonhomme C built?

It was built in 2001, making it 24 years old in 2025.

What condition is Pond RD over Trib to Bonhomme C 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 Pond RD over Trib to Bonhomme C carry?

About 560 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Pond RD over Trib to Bonhomme C?

The structure is 22 ft (6.7 m) long with a longest span of 16 ft (4.9 m).

Who owns Pond RD over Trib to Bonhomme C?

It is owned by the City or Municipal Highway Agency.