US Bridges

Eagle Bluff over Caulks CR

Good

St. Louis County, Missouri · S 5 T 44 N R 4 E · Structure no. 30101

Built
2001
24 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
187 ft
3 main spans
Daily traffic
563
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Eagle Bluff over Caulks CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Eagle Bluff over Caulks CR 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 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 563 vehicles a day, roughly 2% of them trucks, projected to reach 760 by 2043. The structure is 187 ft (57 m) long and 41 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesEagle Bluff
CrossesCaulks CR
LocationS 5 T 44 N R 4 E
RouteCity Street 0
Coordinates38.65278, -90.59727
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length187 ft (57 m)
Longest span87 ft (26.5 m)
Deck width41 ft (12.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic563 (2023)
Projected traffic760 by 2043
Trucks2%
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 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 Eagle Bluff over Caulks CR built?

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

What condition is Eagle Bluff over Caulks CR 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 December 2023.

How much traffic does Eagle Bluff over Caulks CR carry?

About 563 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Eagle Bluff over Caulks CR?

The structure is 187 ft (57 m) long with a longest span of 87 ft (26.5 m) and a deck 41 ft wide.

Who owns Eagle Bluff over Caulks CR?

It is owned by the City or Municipal Highway Agency.