US Bridges

Upper Plattin RD over Fischer Br

Good

Jefferson County, Missouri · S 6 T 39 N R 5 E · Structure no. 22013

Built
1985
40 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
41 ft
2 main spans
Daily traffic
912
2023 count
Owner
County
County Highway Agency

About this bridge

Upper Plattin RD over Fischer Br is a concrete culvert carrying Upper Plattin RD over Fischer Br in Jefferson County, Missouri. It was built in 1985, so it is 40 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 912 vehicles a day, roughly 10% of them trucks, projected to reach 1,824 by 2043. The structure is 41 ft (12.5 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUpper Plattin RD
CrossesFischer Br
LocationS 6 T 39 N R 5 E
RouteCounty Highway 335
CountyJefferson County
StateMissouri
Coordinates38.14114, -90.52878
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length41 ft (12.5 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic912 (2023)
Projected traffic1,824 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Upper Plattin RD over Fischer Br built?

It was built in 1985, making it 40 years old in 2025.

What condition is Upper Plattin RD over Fischer Br 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 2025.

How much traffic does Upper Plattin RD over Fischer Br carry?

About 912 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Upper Plattin RD over Fischer Br?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns Upper Plattin RD over Fischer Br?

It is owned by the County Highway Agency.