US Bridges

Mo 8 E over Bates CR

Fair

Washington County, Missouri · S 430 T 37 N R 2 E · Structure no. 3876

Built
1992
33 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
181 ft
3 main spans
Daily traffic
3,815
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 8 E over Bates CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 8 E over Bates CR in Washington County, Missouri. It was built in 1992, so it is 33 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 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 181 ft (55.2 m) long and 46 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesMo 8 E
CrossesBates CR
LocationS 430 T 37 N R 2 E
RouteState Highway 8
CountyWashington County
StateMissouri
Coordinates37.94306, -90.80649
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length181 ft (55.2 m)
Longest span61 ft (18.5 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 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 Bates CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is Mo 8 E over Bates 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 June 2024.

How much traffic does Mo 8 E over Bates CR carry?

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

How long is Mo 8 E over Bates CR?

The structure is 181 ft (55.2 m) long with a longest span of 61 ft (18.5 m) and a deck 46 ft wide.

Who owns Mo 8 E over Bates CR?

It is owned by the State Highway Agency.