US Bridges

Tartan Green Blvd over Br of Caulks CR

FairPosted for load

St. Louis County, Missouri · S 5 T 44 N R 4 E · Structure no. 16676

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,020
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tartan Green Blvd over Br of Caulks CR is a concrete culvert carrying Tartan Green Blvd over Br of Caulks CR in St. Louis County, Missouri. It was built in 1989, so it is 36 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. Its operating status is: posted for load restriction.

It carries about 1,020 vehicles a day, roughly 2% of them trucks, projected to reach 1,377 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTartan Green Blvd
CrossesBr of Caulks CR
LocationS 5 T 44 N R 4 E
RouteCity Street 0
Coordinates38.58633, -90.60349
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,020 (2023)
Projected traffic1,377 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Tartan Green Blvd over Br of Caulks CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Tartan Green Blvd over Br of 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 Tartan Green Blvd over Br of Caulks CR carry?

About 1,020 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Tartan Green Blvd over Br of Caulks CR?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns Tartan Green Blvd over Br of Caulks CR?

It is owned by the City or Municipal Highway Agency.