US Bridges

Rs 1788 46-15.20 over Trib. to Neosho River

FairPosted for load

Neosho County, Kansas · 2.0E 0.2S of St. Paul · Structure no. 000000000670590

Built
1924
101 years old
Condition
Fair
inspected November 2024
Type
Arch - Deck
Concrete
Length
55 ft
1 main span
Daily traffic
140
2019 count
Owner
County
County Highway Agency

About this bridge

Rs 1788 46-15.20 over Trib. to Neosho River is a concrete arch - deck carrying Rs 1788 46-15.20 over Trib. to Neosho River in Neosho County, Kansas. It was built in 1924, so it is 101 years old, older 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 150 by 2044. The structure is 55 ft (16.8 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRs 1788 46-15.20
CrossesTrib. to Neosho River
Location2.0E 0.2S of St. Paul
RouteCounty Highway 1788
CountyNeosho County
StateKansas
Coordinates37.51149, -95.1249
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span55 ft (16.7 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic140 (2019)
Projected traffic150 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1788 46-15.20 over Trib. to Neosho River built?

It was built in 1924, making it 101 years old in 2025.

What condition is Rs 1788 46-15.20 over Trib. to 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 46-15.20 over Trib. to Neosho River carry?

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

How long is Rs 1788 46-15.20 over Trib. to Neosho River?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.7 m) and a deck 22 ft wide.

Who owns Rs 1788 46-15.20 over Trib. to Neosho River?

It is owned by the County Highway Agency.