US Bridges

Mo 30 E over Meramec Rvr

Fair

Franklin County, Missouri · S 4 T 41 N R 1 E · Structure no. 12091

Built
2001
24 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
905 ft
7 main spans
Daily traffic
7,490
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 30 E over Meramec Rvr is a steel continuous stringer/multi-beam or girder carrying Mo 30 E over Meramec Rvr in Franklin County, Missouri. It was built in 2001, so it is 24 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 7,490 vehicles a day, roughly 8% of them trucks, projected to reach 15,729 by 2044. The structure is 905 ft (275.8 m) long and 41 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesMo 30 E
CrossesMeramec Rvr
LocationS 4 T 41 N R 1 E
RouteState Highway 30
CountyFranklin County
StateMissouri
Coordinates38.32283, -90.92264
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length905 ft (275.8 m)
Longest span133 ft (40.5 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,490 (2024)
Projected traffic15,729 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

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 30 E over Meramec Rvr built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mo 30 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 October 2023.

How much traffic does Mo 30 E over Meramec Rvr carry?

About 7,490 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Mo 30 E over Meramec Rvr?

The structure is 905 ft (275.8 m) long with a longest span of 133 ft (40.5 m) and a deck 41 ft wide.

Who owns Mo 30 E over Meramec Rvr?

It is owned by the State Highway Agency.