US Bridges

Old HWY 40 over KCS RR

Good

Jackson County, Missouri · S 35 T 49 N R 30 W · Structure no. 17285

Built
1994
31 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
148 ft
3 main spans
Daily traffic
1,582
2024 count
Owner
County
County Highway Agency

About this bridge

Old HWY 40 over KCS RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Old HWY 40 over KCS RR in Jackson County, Missouri. It was built in 1994, so it is 31 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,582 vehicles a day, roughly 5% of them trucks, projected to reach 2,373 by 2044. The structure is 148 ft (45.1 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesOld HWY 40
CrossesKCS RR
LocationS 35 T 49 N R 30 W
RouteCounty Highway 147
Coordinates39.01742, -94.17022
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span55 ft (16.8 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,582 (2024)
Projected traffic2,373 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old HWY 40 over KCS RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Old HWY 40 over KCS RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Old HWY 40 over KCS RR carry?

About 1,582 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Old HWY 40 over KCS RR?

The structure is 148 ft (45.1 m) long with a longest span of 55 ft (16.8 m) and a deck 38 ft wide.

Who owns Old HWY 40 over KCS RR?

It is owned by the County Highway Agency.