US Bridges

Koch RD over Trib of Peruque CR

Fair

St. Charles County, Missouri · S 17 T 47 N R 3 E · Structure no. 32960

Built
2008
17 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
1,500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Koch RD over Trib of Peruque CR is a concrete continuous culvert carrying Koch RD over Trib of Peruque CR in St. Charles County, Missouri. It was built in 2008, so it is 17 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 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 2,325 by 2044. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesKoch RD
CrossesTrib of Peruque CR
LocationS 17 T 47 N R 3 E
RouteCity Street 0
CountySt. Charles County
StateMissouri
Coordinates38.83291, -90.71718
Functional classUrban Local

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2024)
Projected traffic2,325 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Koch RD over Trib of Peruque CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is Koch RD over Trib of Peruque 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 2024.

How much traffic does Koch RD over Trib of Peruque CR carry?

About 1,500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Koch RD over Trib of Peruque CR?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Koch RD over Trib of Peruque CR?

It is owned by the City or Municipal Highway Agency.