US Bridges

Meramec Bottom RD over Lemay CR

Good

St. Louis County, Missouri · S 17 T 43 N R 6 E · Structure no. 36869

Built
2022
3 years old
Condition
Good
inspected September 2022
Type
Tee Beam
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
4,960
2024 count
Owner
County
County Highway Agency

About this bridge

Meramec Bottom RD over Lemay CR is a prestressed concrete tee beam carrying Meramec Bottom RD over Lemay CR in St. Louis County, Missouri. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 4,960 vehicles a day, roughly 3% of them trucks, projected to reach 6,696 by 2044. The structure is 70 ft (21.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMeramec Bottom RD
CrossesLemay CR
LocationS 17 T 43 N R 6 E
RouteCounty Highway 96
Coordinates38.46302, -90.37844
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating46.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.2 m)
Longest span66 ft (20.1 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,960 (2024)
Projected traffic6,696 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Meramec Bottom RD over Lemay CR built?

It was built in 2022, making it 3 years old in 2025.

What condition is Meramec Bottom RD over Lemay 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 September 2022.

How much traffic does Meramec Bottom RD over Lemay CR carry?

About 4,960 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Meramec Bottom RD over Lemay CR?

The structure is 70 ft (21.2 m) long with a longest span of 66 ft (20.1 m) and a deck 34 ft wide.

Who owns Meramec Bottom RD over Lemay CR?

It is owned by the County Highway Agency.