US Bridges

E. 21st. St. over Big Creek Tributary

Good

Ellis County, Kansas · E. 21st. St. in Hays · Structure no. 512100260000022

Built
1984
41 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

E. 21st. St. over Big Creek Tributary is a concrete culvert carrying E. 21st. St. over Big Creek Tributary in Ellis County, Kansas. It was built in 1984, so it is 41 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 1% of them trucks, projected to reach 240 by 2044. The structure is 31 ft (9.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE. 21st. St.
CrossesBig Creek Tributary
LocationE. 21st. St. in Hays
RouteCity Street 0
StateKansas
Coordinates38.87712, -99.29338
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating33.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width51 ft (15.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic200 (2020)
Projected traffic240 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$15,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E. 21st. St. over Big Creek Tributary built?

It was built in 1984, making it 41 years old in 2025.

What condition is E. 21st. St. over Big Creek Tributary 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 December 2024.

How much traffic does E. 21st. St. over Big Creek Tributary carry?

About 200 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is E. 21st. St. over Big Creek Tributary?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 51 ft wide.

Who owns E. 21st. St. over Big Creek Tributary?

It is owned by the City or Municipal Highway Agency.