US Bridges

Laclede Sta. RD over Deer CR

FairPosted for load

St. Louis County, Missouri · S 28 T 45 N R 6 E · Structure no. 15641

Built
1974
51 years old, rebuilt 1994
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
125 ft
2 main spans
Daily traffic
34,312
2024 count
Owner
County
County Highway Agency

About this bridge

Laclede Sta. RD over Deer CR is a steel continuous stringer/multi-beam or girder carrying Laclede Sta. RD over Deer CR in St. Louis County, Missouri. It was built in 1974 and reconstructed in 1994, so it is 51 years old, older 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 34,312 vehicles a day, roughly 10% of them trucks, projected to reach 46,321 by 2044. The structure is 125 ft (38.1 m) long and 70 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLaclede Sta. RD
CrossesDeer CR
LocationS 28 T 45 N R 6 E
RouteCounty Highway 0
Coordinates38.60204, -90.33159
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating76.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span62 ft (19 m)
Deck width70 ft (21.2 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,312 (2024)
Projected traffic46,321 by 2044
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Laclede Sta. RD over Deer CR built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 1994.

What condition is Laclede Sta. RD over Deer 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 May 2024.

How much traffic does Laclede Sta. RD over Deer CR carry?

About 34,312 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Laclede Sta. RD over Deer CR?

The structure is 125 ft (38.1 m) long with a longest span of 62 ft (19 m) and a deck 70 ft wide.

Who owns Laclede Sta. RD over Deer CR?

It is owned by the County Highway Agency.