US Bridges

Shepard RD over Trib W Br of Caulk

Fair

St. Louis County, Missouri · S 124 T 45 N R 3 E · Structure no. 35212

Built
2004
21 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,683
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shepard RD over Trib W Br of Caulk is a concrete culvert carrying Shepard RD over Trib W Br of Caulk in St. Louis County, Missouri. It was built in 2004, so it is 21 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 1,683 vehicles a day, roughly 5% of them trucks, projected to reach 2,272 by 2043. The structure is 26 ft (7.9 m) long and 49 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesShepard RD
CrossesTrib W Br of Caulk
LocationS 124 T 45 N R 3 E
RouteCity Street 0
Coordinates38.63192, -90.62525
Functional classUrban Collector

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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span13 ft (4 m)
Deck width49 ft (14.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,683 (2023)
Projected traffic2,272 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 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 Shepard RD over Trib W Br of Caulk built?

It was built in 2004, making it 21 years old in 2025.

What condition is Shepard RD over Trib W Br of Caulk 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 Shepard RD over Trib W Br of Caulk carry?

About 1,683 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Shepard RD over Trib W Br of Caulk?

The structure is 26 ft (7.9 m) long with a longest span of 13 ft (4 m) and a deck 49 ft wide.

Who owns Shepard RD over Trib W Br of Caulk?

It is owned by the City or Municipal Highway Agency.