US Bridges

Rhode Island RD over Trib. to Neosho River

FairPosted for load

Allen County, Kansas · 1.5N 2.0W of Iola · Structure no. 000000000010530

Built
1930
95 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
130
2006 count
Owner
County
County Highway Agency

About this bridge

Rhode Island RD over Trib. to Neosho River is a concrete continuous slab carrying Rhode Island RD over Trib. to Neosho River in Allen County, Kansas. It was built in 1930, so it is 95 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 5 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 130 vehicles a day, roughly 10% of them trucks, projected to reach 159 by 2044. The structure is 21 ft (6.4 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRhode Island RD
CrossesTrib. to Neosho River
Location1.5N 2.0W of Iola
RouteCounty Highway 1154
CountyAllen County
StateKansas
Coordinates37.96577, -95.45426
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating10 US tons
Inventory rating10 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic130 (2006)
Projected traffic159 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$95,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rhode Island RD over Trib. to Neosho River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Rhode Island RD 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 February 2024.

How much traffic does Rhode Island RD over Trib. to Neosho River carry?

About 130 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Rhode Island RD over Trib. to Neosho River?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 18 ft wide.

Who owns Rhode Island RD over Trib. to Neosho River?

It is owned by the County Highway Agency.