US Bridges

Mo 8 E over N Fk Fourche-A-Ren

Poor

Washington County, Missouri · S 24 T 37 N R 1 E · Structure no. 1194

Built
1965
60 years old, rebuilt 1986
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
127 ft
3 main spans
Daily traffic
3,815
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 8 E over N Fk Fourche-A-Ren is a steel continuous stringer/multi-beam or girder carrying Mo 8 E over N Fk Fourche-A-Ren in Washington County, Missouri. It was built in 1965 and reconstructed in 1986, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,815 vehicles a day, roughly 15% of them trucks, projected to reach 7,249 by 2044. The structure is 127 ft (38.7 m) long and 34 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMo 8 E
CrossesN Fk Fourche-A-Ren
LocationS 24 T 37 N R 1 E
RouteState Highway 8
Coordinates37.91251, -90.88455
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating40.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length127 ft (38.7 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 8 E over N Fk Fourche-A-Ren built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1986.

What condition is Mo 8 E over N Fk Fourche-A-Ren in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Mo 8 E over N Fk Fourche-A-Ren carry?

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

How long is Mo 8 E over N Fk Fourche-A-Ren?

The structure is 127 ft (38.7 m) long with a longest span of 48 ft (14.6 m) and a deck 34 ft wide.

Who owns Mo 8 E over N Fk Fourche-A-Ren?

It is owned by the State Highway Agency.