US Bridges

Mo 7 S over Mo 58 UP RR

Fair

Cass County, Missouri · S 20 T 46 N R 30 W · Structure no. 12015

Built
1999
26 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
322 ft
4 main spans
Daily traffic
6,625
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 7 S over Mo 58 UP RR is a steel continuous stringer/multi-beam or girder carrying Mo 7 S over Mo 58 UP RR in Cass County, Missouri. It was built in 1999, so it is 26 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 6,625 vehicles a day, roughly 7% of them trucks, projected to reach 12,256 by 2044. The structure is 322 ft (98.1 m) long and 42 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

Open in Google Maps
CarriesMo 7 S
CrossesMo 58 UP RR
LocationS 20 T 46 N R 30 W
RouteState Highway 7
CountyCass County
StateMissouri
Coordinates38.77871, -94.26543
Functional classUrban Minor Arterial

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.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length322 ft (98.1 m)
Longest span98 ft (30 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,625 (2024)
Projected traffic12,256 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed29.2 mi (47 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 7 S over Mo 58 UP RR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mo 7 S over Mo 58 UP RR 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 November 2023.

How much traffic does Mo 7 S over Mo 58 UP RR carry?

About 6,625 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 7 S over Mo 58 UP RR?

The structure is 322 ft (98.1 m) long with a longest span of 98 ft (30 m) and a deck 42 ft wide.

Who owns Mo 7 S over Mo 58 UP RR?

It is owned by the State Highway Agency.