US Bridges

Robertsville RD over Trib of Meramec Rv

Fair

Franklin County, Missouri · S 29 T 43 N R 2 E · Structure no. 28794

Built
2000
25 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
39 ft
3 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Robertsville RD over Trib of Meramec Rv is a steel culvert carrying Robertsville RD over Trib of Meramec Rv in Franklin County, Missouri. It was built in 2000, so it is 25 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 540 by 2043. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesRobertsville RD
CrossesTrib of Meramec Rv
LocationS 29 T 43 N R 2 E
RouteCounty Highway 93
CountyFranklin County
StateMissouri
Coordinates38.42967, -90.83375
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadOther
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic540 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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 Robertsville RD over Trib of Meramec Rv built?

It was built in 2000, making it 25 years old in 2025.

What condition is Robertsville RD over Trib of Meramec Rv 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 January 2025.

How much traffic does Robertsville RD over Trib of Meramec Rv carry?

About 300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Robertsville RD over Trib of Meramec Rv?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Robertsville RD over Trib of Meramec Rv?

It is owned by the County Highway Agency.