US Bridges

Pond RD over Bonhomme CR

Fair

St. Louis County, Missouri · S 35 T 45 N R 3 E · Structure no. 30441

Built
2003
22 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
1,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pond RD over Bonhomme CR is a prestressed concrete stringer/multi-beam or girder carrying Pond RD over Bonhomme CR in St. Louis County, Missouri. It was built in 2003, so it is 22 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 1,200 vehicles a day, roughly 2% of them trucks, projected to reach 1,620 by 2043. The structure is 71 ft (21.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPond RD
CrossesBonhomme CR
LocationS 35 T 45 N R 3 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.5964, -90.65477
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length71 ft (21.6 m)
Longest span65 ft (19.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,620 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Pond RD over Bonhomme CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Pond RD over Bonhomme 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 Pond RD over Bonhomme CR carry?

About 1,200 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Pond RD over Bonhomme CR?

The structure is 71 ft (21.6 m) long with a longest span of 65 ft (19.7 m) and a deck 30 ft wide.

Who owns Pond RD over Bonhomme CR?

It is owned by the City or Municipal Highway Agency.