US Bridges

Rs 499 42-16.4 over Neosho River

Fair

Neosho County, Kansas · 1.4S of St. Paul · Structure no. 000000000670310

Built
1979
46 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
357 ft
3 main spans
Daily traffic
160
2019 count
Owner
County
County Highway Agency

About this bridge

Rs 499 42-16.4 over Neosho River is a steel continuous stringer/multi-beam or girder carrying Rs 499 42-16.4 over Neosho River in Neosho County, Kansas. It was built in 1979, so it is 46 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 160 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2044. The structure is 357 ft (108.8 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesRs 499 42-16.4
CrossesNeosho River
Location1.4S of St. Paul
RouteCounty Highway 499
StateKansas
Coordinates37.49411, -95.16342
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.2 US tons
Inventory rating38.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length357 ft (108.8 m)
Longest span135 ft (41 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic160 (2019)
Projected traffic180 by 2044
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Rs 499 42-16.4 over Neosho River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Rs 499 42-16.4 over Neosho River 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 2024.

How much traffic does Rs 499 42-16.4 over Neosho River carry?

About 160 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Rs 499 42-16.4 over Neosho River?

The structure is 357 ft (108.8 m) long with a longest span of 135 ft (41 m) and a deck 30 ft wide.

Who owns Rs 499 42-16.4 over Neosho River?

It is owned by the County Highway Agency.