US Bridges

County RD 085 over BNSF RR

Fair

Clark County, Missouri · S 29 T 66 N R 7 W · Structure no. 15097

Built
1997
28 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
169 ft
3 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 085 over BNSF RR is a prestressed concrete continuous stringer/multi-beam or girder carrying County RD 085 over BNSF RR in Clark County, Missouri. It was built in 1997, so it is 28 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 125 by 2044. The structure is 169 ft (51.5 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty RD 085
CrossesBNSF RR
LocationS 29 T 66 N R 7 W
RouteCounty Highway 85
CountyClark County
StateMissouri
Coordinates40.48733, -91.68464
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating45.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span76 ft (23.2 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic125 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County RD 085 over BNSF RR built?

It was built in 1997, making it 28 years old in 2025.

What condition is County RD 085 over BNSF RR 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 July 2023.

How much traffic does County RD 085 over BNSF RR carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 085 over BNSF RR?

The structure is 169 ft (51.5 m) long with a longest span of 76 ft (23.2 m) and a deck 27 ft wide.

Who owns County RD 085 over BNSF RR?

It is owned by the County Highway Agency.