US Bridges

K147 HWY over Big Creek Drainage

Good

Trego County, Kansas · 5.43MI S Jt I70 · Structure no. 999914700980451

Built
1957
68 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
385
2023 count
Owner
State
State Highway Agency

About this bridge

K147 HWY over Big Creek Drainage is a concrete culvert carrying K147 HWY over Big Creek Drainage in Trego County, Kansas. It was built in 1957, so it is 68 years old, older 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 385 vehicles a day, roughly 40% of them trucks, projected to reach 393 by 2044. The structure is 25 ft (7.7 m) long and 33 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesK147 HWY
CrossesBig Creek Drainage
Location5.43MI S Jt I70
RouteState Highway 147
CountyTrego County
StateKansas
Coordinates38.90583, -99.74306
Functional classRural Major Collector

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.3 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic385 (2023)
Projected traffic393 by 2044
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 K147 HWY over Big Creek Drainage built?

It was built in 1957, making it 68 years old in 2025.

What condition is K147 HWY over Big Creek Drainage 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 April 2023.

How much traffic does K147 HWY over Big Creek Drainage carry?

About 385 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is K147 HWY over Big Creek Drainage?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m) and a deck 33 ft wide.

Who owns K147 HWY over Big Creek Drainage?

It is owned by the State Highway Agency.