US Bridges

Baalbek DR over Trib B

Good

St. Louis County, Missouri · S 23 T 44 N R 5 E · Structure no. 32779

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Baalbek DR over Trib B is a concrete continuous culvert carrying Baalbek DR over Trib B in St. Louis County, Missouri. It was built in 2009, so it is 16 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 135 by 2043. The structure is 31 ft (9.4 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBaalbek DR
CrossesTrib B
LocationS 23 T 44 N R 5 E
RouteCity Street 419
Coordinates38.53806, -90.42111
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic135 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Baalbek DR over Trib B built?

It was built in 2009, making it 16 years old in 2025.

What condition is Baalbek DR over Trib B 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 November 2023.

How much traffic does Baalbek DR over Trib B carry?

About 100 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Baalbek DR over Trib B?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns Baalbek DR over Trib B?

It is owned by the City or Municipal Highway Agency.