US Bridges

Konert RD over Romaine CR

Fair

Jefferson County, Missouri · S 3011 T 43 N R 5 E · Structure no. 35135

Built
2015
10 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
2,527
2023 count
Owner
County
County Highway Agency

About this bridge

Konert RD over Romaine CR is a prestressed concrete stringer/multi-beam or girder carrying Konert RD over Romaine CR in Jefferson County, Missouri. It was built in 2015, so it is 10 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 2,527 vehicles a day, roughly 7% of them trucks, projected to reach 4,296 by 2043. The structure is 67 ft (20.4 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKonert RD
CrossesRomaine CR
LocationS 3011 T 43 N R 5 E
RouteCity Street 0
CountyJefferson County
StateMissouri
Coordinates38.4625, -90.45028
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length67 ft (20.4 m)
Longest span62 ft (18.9 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,527 (2023)
Projected traffic4,296 by 2043
Trucks7%
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 Konert RD over Romaine CR built?

It was built in 2015, making it 10 years old in 2025.

What condition is Konert RD over Romaine 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 February 2025.

How much traffic does Konert RD over Romaine CR carry?

About 2,527 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Konert RD over Romaine CR?

The structure is 67 ft (20.4 m) long with a longest span of 62 ft (18.9 m) and a deck 47 ft wide.

Who owns Konert RD over Romaine CR?

It is owned by the County Highway Agency.