US Bridges

Mo 8 E over Meramec Rvr

Fair

Crawford County, Missouri · S 6 T 37 N R 5 W · Structure no. 4027

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
423 ft
3 main spans
Daily traffic
1,338
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 8 E over Meramec Rvr is a steel continuous stringer/multi-beam or girder carrying Mo 8 E over Meramec Rvr in Crawford County, Missouri. It was built in 1991, so it is 34 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 1,338 vehicles a day, roughly 18% of them trucks, projected to reach 2,542 by 2044. The structure is 423 ft (128.9 m) long and 46 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesMo 8 E
CrossesMeramec Rvr
LocationS 6 T 37 N R 5 W
RouteState Highway 8
Coordinates37.95025, -91.51116
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length423 ft (128.9 m)
Longest span160 ft (48.8 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,338 (2024)
Projected traffic2,542 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 Meramec Rvr built?

It was built in 1991, making it 34 years old in 2025.

What condition is Mo 8 E over Meramec Rvr 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 May 2024.

How much traffic does Mo 8 E over Meramec Rvr carry?

About 1,338 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Mo 8 E over Meramec Rvr?

The structure is 423 ft (128.9 m) long with a longest span of 160 ft (48.8 m) and a deck 46 ft wide.

Who owns Mo 8 E over Meramec Rvr?

It is owned by the State Highway Agency.