US Bridges

Ladue RD over Deer CR

Fair

St. Louis County, Missouri · S 10 T 45 N R 5 E · Structure no. 15859

Built
1989
36 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
11,750
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ladue RD over Deer CR is a concrete culvert carrying Ladue RD over Deer 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.

It carries about 11,750 vehicles a day, roughly 1% of them trucks, projected to reach 15,863 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLadue RD
CrossesDeer CR
LocationS 10 T 45 N R 5 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.65546, -90.43731
Functional classUrban Minor 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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length29 ft (8.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,750 (2023)
Projected traffic15,863 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Ladue RD over Deer CR built?

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

What condition is Ladue 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 December 2023.

How much traffic does Ladue RD over Deer CR carry?

About 11,750 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Ladue RD over Deer CR?

The structure is 29 ft (8.8 m) long with a longest span of 8 ft (2.4 m).

Who owns Ladue RD over Deer CR?

It is owned by the City or Municipal Highway Agency.