US Bridges

Old State RD over Trib to Meramec Rv

Good

Jefferson County, Missouri · S 24 T 43 N R 5 E · Structure no. 31806

Built
2007
18 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
3,100
2023 count
Owner
County
County Highway Agency

About this bridge

Old State RD over Trib to Meramec Rv is a prestressed concrete stringer/multi-beam or girder carrying Old State RD over Trib to Meramec Rv in Jefferson County, Missouri. It was built in 2007, so it is 18 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 3,100 vehicles a day, roughly 5% of them trucks, projected to reach 5,270 by 2043. The structure is 90 ft (27.4 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld State RD
CrossesTrib to Meramec Rv
LocationS 24 T 43 N R 5 E
RouteCounty Highway 620
Coordinates38.44984, -90.41327
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating36.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span88 ft (26.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic5,270 by 2043
Trucks5%
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 Old State RD over Trib to Meramec Rv built?

It was built in 2007, making it 18 years old in 2025.

What condition is Old State RD over Trib to Meramec Rv 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 February 2025.

How much traffic does Old State RD over Trib to Meramec Rv carry?

About 3,100 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Old State RD over Trib to Meramec Rv?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.7 m) and a deck 43 ft wide.

Who owns Old State RD over Trib to Meramec Rv?

It is owned by the County Highway Agency.