US Bridges

Day Road over Trib. Vermillion River

FairPosted for load

Pottawatomie County, Kansas · 5.0S 1.0E of Onaga · Structure no. 000750947003800

Built
1870
155 years old
Condition
Fair
inspected September 2023
Type
Arch - Deck
Masonry
Length
22 ft
1 main span
Daily traffic
80
2013 count
Owner
County
County Highway Agency

About this bridge

Day Road over Trib. Vermillion River is a masonry arch - deck carrying Day Road over Trib. Vermillion River in Pottawatomie County, Kansas. It was built in 1870, so it is 155 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 80 vehicles a day, projected to reach 96 by 2043. The structure is 22 ft (6.7 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesDay Road
CrossesTrib. Vermillion River
Location5.0S 1.0E of Onaga
RouteCounty Highway 7514
CountyPottawatomie County
StateKansas
Coordinates39.41946, -96.14631
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating34.2 US tons
Inventory rating34.2 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckOther
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6 m)
Deck width20 ft (6.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2013)
Projected traffic96 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 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 Day Road over Trib. Vermillion River built?

It was built in 1870, making it 155 years old in 2025.

What condition is Day Road over Trib. Vermillion 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 September 2023.

How much traffic does Day Road over Trib. Vermillion River carry?

About 80 vehicles per day (2013 count).

How long is Day Road over Trib. Vermillion River?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6 m) and a deck 20 ft wide.

Who owns Day Road over Trib. Vermillion River?

It is owned by the County Highway Agency.