US Bridges

Claychester DR over Two Mile CR

Good

St. Louis County, Missouri · S 26 T 45 N R 5 E · Structure no. 34701

Built
2014
11 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
950
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Claychester DR over Two Mile CR is a prestressed concrete slab carrying Claychester DR over Two Mile CR in St. Louis County, Missouri. It was built in 2014, so it is 11 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 950 vehicles a day, roughly 1% of them trucks, projected to reach 1,520 by 2043. The structure is 37 ft (11.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesClaychester DR
CrossesTwo Mile CR
LocationS 26 T 45 N R 5 E
RouteCity Street 0
Coordinates38.61056, -90.42944
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating75.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2023)
Projected traffic1,520 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Claychester DR over Two Mile CR built?

It was built in 2014, making it 11 years old in 2025.

What condition is Claychester DR over Two Mile 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 January 2024.

How much traffic does Claychester DR over Two Mile CR carry?

About 950 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Claychester DR over Two Mile CR?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns Claychester DR over Two Mile CR?

It is owned by the City or Municipal Highway Agency.