US Bridges

Mo 8 E over Mid Fk Fourche-A-R

Fair

Washington County, Missouri · S 23 T 37 N R 1 E · Structure no. 1193

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
126 ft
3 main spans
Daily traffic
3,815
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 8 E over Mid Fk Fourche-A-R is a steel continuous stringer/multi-beam or girder carrying Mo 8 E over Mid Fk Fourche-A-R in Washington County, Missouri. It was built in 1965, so it is 60 years old, older 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 5 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 3,815 vehicles a day, roughly 15% of them trucks, projected to reach 7,249 by 2044. The structure is 126 ft (38.4 m) long and 34 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesMo 8 E
CrossesMid Fk Fourche-A-R
LocationS 23 T 37 N R 1 E
RouteState Highway 8
CountyWashington County
StateMissouri
Coordinates37.91178, -90.88718
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length126 ft (38.4 m)
Longest span48 ft (14.6 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,815 (2024)
Projected traffic7,249 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 8 E over Mid Fk Fourche-A-R built?

It was built in 1965, making it 60 years old in 2025.

What condition is Mo 8 E over Mid Fk Fourche-A-R 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 June 2024.

How much traffic does Mo 8 E over Mid Fk Fourche-A-R carry?

About 3,815 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Mo 8 E over Mid Fk Fourche-A-R?

The structure is 126 ft (38.4 m) long with a longest span of 48 ft (14.6 m) and a deck 34 ft wide.

Who owns Mo 8 E over Mid Fk Fourche-A-R?

It is owned by the State Highway Agency.