US Bridges

40 Road over Bull Creek

FairPosted for load

Smith County, Kansas · 1.0N 3.0W of Thornburg · Structure no. 000920661103060

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

40 Road over Bull Creek is a wood or timber stringer/multi-beam or girder carrying 40 Road over Bull Creek in Smith County, Kansas. It was built in 1965, so it is 60 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 10 vehicles a day, projected to reach 20 by 2043. The structure is 41 ft (12.6 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries40 Road
CrossesBull Creek
Location1.0N 3.0W of Thornburg
RouteCounty Highway 9216
StateKansas
Coordinates39.95861, -98.83923
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.2 US tons
Inventory rating10 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length41 ft (12.6 m)
Longest span20 ft (6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2020)
Projected traffic20 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$150,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 40 Road over Bull Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is 40 Road over Bull Creek 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 February 2024.

How much traffic does 40 Road over Bull Creek carry?

About 10 vehicles per day (2020 count).

How long is 40 Road over Bull Creek?

The structure is 41 ft (12.6 m) long with a longest span of 20 ft (6 m) and a deck 22 ft wide.

Who owns 40 Road over Bull Creek?

It is owned by the County Highway Agency.