US Bridges

30 Road (rs 630) over White Rock CR Tributary

Good

Smith County, Kansas · 5.6E of Womer · Structure no. 000000000920025

Built
1940
85 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
55
2020 count
Owner
County
County Highway Agency

About this bridge

30 Road (rs 630) over White Rock CR Tributary is a concrete culvert carrying 30 Road (rs 630) over White Rock CR Tributary in Smith County, Kansas. It was built in 1940, so it is 85 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 55 vehicles a day, projected to reach 65 by 2043. The structure is 21 ft (6.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries30 Road (rs 630)
CrossesWhite Rock CR Tributary
Location5.6E of Womer
RouteCounty Highway 630
CountySmith County
StateKansas
Coordinates39.97316, -98.60597
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic55 (2020)
Projected traffic65 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 30 Road (rs 630) over White Rock CR Tributary built?

It was built in 1940, making it 85 years old in 2025.

What condition is 30 Road (rs 630) over White Rock CR 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 March 2023.

How much traffic does 30 Road (rs 630) over White Rock CR Tributary carry?

About 55 vehicles per day (2020 count).

How long is 30 Road (rs 630) over White Rock CR Tributary?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 25 ft wide.

Who owns 30 Road (rs 630) over White Rock CR Tributary?

It is owned by the County Highway Agency.