US Bridges

Shepard RD over Caulks CR

Fair

St. Louis County, Missouri · S 24 T 45 N R 3 E · Structure no. 30099

Built
2004
21 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
198 ft
3 main spans
Daily traffic
1,683
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shepard RD over Caulks CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Shepard RD over Caulks CR 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 198 ft (60.4 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesShepard RD
CrossesCaulks CR
LocationS 24 T 45 N R 3 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.63222, -90.62331
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span73 ft (22.3 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 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 closed8.7 mi (14 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 Shepard RD over Caulks CR built?

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

What condition is Shepard RD over Caulks 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 Shepard RD over Caulks CR carry?

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

How long is Shepard RD over Caulks CR?

The structure is 198 ft (60.4 m) long with a longest span of 73 ft (22.3 m) and a deck 31 ft wide.

Who owns Shepard RD over Caulks CR?

It is owned by the City or Municipal Highway Agency.