US Bridges

Rs 1788 39-21.45 over Neosho River

FairPosted for load

Neosho County, Kansas · 4.0S 2.5E of St. Paul · Structure no. 000000000670560

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
345 ft
4 main spans
Daily traffic
140
2019 count
Owner
County
County Highway Agency

About this bridge

Rs 1788 39-21.45 over Neosho River is a steel continuous stringer/multi-beam or girder carrying Rs 1788 39-21.45 over Neosho River in Neosho County, Kansas. It was built in 1976, so it is 49 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 140 vehicles a day, roughly 10% of them trucks, projected to reach 155 by 2044. The structure is 345 ft (105.2 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRs 1788 39-21.45
CrossesNeosho River
Location4.0S 2.5E of St. Paul
RouteCounty Highway 1788
CountyNeosho County
StateKansas
Coordinates37.45694, -95.13259
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.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.1 US tons
Inventory rating14.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadH 15
Structure length345 ft (105.2 m)
Longest span130 ft (39.5 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic140 (2019)
Projected traffic155 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1788 39-21.45 over Neosho River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Rs 1788 39-21.45 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 1788 39-21.45 over Neosho River carry?

About 140 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Rs 1788 39-21.45 over Neosho River?

The structure is 345 ft (105.2 m) long with a longest span of 130 ft (39.5 m) and a deck 26 ft wide.

Who owns Rs 1788 39-21.45 over Neosho River?

It is owned by the County Highway Agency.