US Bridges

US 67 S over Coldwater Br

Fair

St. Louis County, Missouri · S 939 T 45 N R 5 E · Structure no. 3762

Built
1989
36 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
20,336
2024 count
Owner
State
State Highway Agency

About this bridge

US 67 S over Coldwater Br is a concrete continuous culvert carrying US 67 S over Coldwater Br 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.

It carries about 20,336 vehicles a day, roughly 5% of them trucks, projected to reach 28,470 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 67 S
CrossesColdwater Br
LocationS 939 T 45 N R 5 E
RouteU.S. Route 67
CountySt. Louis County
StateMissouri
Coordinates38.78327, -90.3561
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,336 (2024)
Projected traffic28,470 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 67 S over Coldwater Br built?

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

What condition is US 67 S over Coldwater Br 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 November 2023.

How much traffic does US 67 S over Coldwater Br carry?

About 20,336 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US 67 S over Coldwater Br?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns US 67 S over Coldwater Br?

It is owned by the State Highway Agency.