US Bridges

99th ST over KCS RR

GoodPosted for load

Jackson County, Missouri · S 25 T 48 N R 33 W · Structure no. 25507

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
1,500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

99th ST over KCS RR is a prestressed concrete stringer/multi-beam or girder carrying 99th ST over KCS RR in Jackson 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 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. Its operating status is: posted for load restriction.

It carries about 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 1,950 by 2044. The structure is 80 ft (24.4 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries99th ST
CrossesKCS RR
LocationS 25 T 48 N R 33 W
RouteCity Street 0
CountyJackson County
StateMissouri
Coordinates38.94543, -94.51516
Functional classUrban 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating56.5 US tons
Inventory rating52.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2024)
Projected traffic1,950 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 99th ST over KCS RR built?

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

What condition is 99th ST 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 March 2024.

How much traffic does 99th ST over KCS RR carry?

About 1,500 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 99th ST over KCS RR?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 35 ft wide.

Who owns 99th ST over KCS RR?

It is owned by the City or Municipal Highway Agency.