US Bridges

Zenith RD.14.7-Z.5 over Black Vermillion

Good

Marshall County, Kansas · 3.5S 6.5E Blue Rapids · Structure no. 000580905703505

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
206 ft
3 main spans
Daily traffic
45
2007 count
Owner
County
County Highway Agency

About this bridge

Zenith RD.14.7-Z.5 over Black Vermillion is a concrete continuous slab carrying Zenith RD.14.7-Z.5 over Black Vermillion in Marshall County, Kansas. It was built in 1991, so it is 34 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45 vehicles a day, projected to reach 45 by 2043. The structure is 206 ft (62.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesZenith RD.14.7-Z.5
CrossesBlack Vermillion
Location3.5S 6.5E Blue Rapids
RouteCounty Highway 5804
StateKansas
Coordinates39.63154, -96.52507
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating23.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length206 ft (62.8 m)
Longest span68 ft (20.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic45 (2007)
Projected traffic45 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Zenith RD.14.7-Z.5 over Black Vermillion built?

It was built in 1991, making it 34 years old in 2025.

What condition is Zenith RD.14.7-Z.5 over Black Vermillion in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Zenith RD.14.7-Z.5 over Black Vermillion carry?

About 45 vehicles per day (2007 count).

How long is Zenith RD.14.7-Z.5 over Black Vermillion?

The structure is 206 ft (62.8 m) long with a longest span of 68 ft (20.6 m) and a deck 26 ft wide.

Who owns Zenith RD.14.7-Z.5 over Black Vermillion?

It is owned by the County Highway Agency.