US Bridges

Harper Road over Trib T Salt Creek

Fair

Wilson County, Kansas · 0.5 S of Fredonia · Structure no. 000000001030004

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
1,365
2013 count
Owner
County
County Highway Agency

About this bridge

Harper Road over Trib T Salt Creek is a concrete culvert carrying Harper Road over Trib T Salt Creek in Wilson County, Kansas. It was built in 1960, so it is 65 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,365 vehicles a day, roughly 20% of them trucks, projected to reach 1,638 by 2042. The structure is 25 ft (7.7 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesHarper Road
CrossesTrib T Salt Creek
Location0.5 S of Fredonia
RouteCounty Highway 49
CountyWilson County
StateKansas
Coordinates37.52103, -95.83344
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width39 ft (11.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,365 (2013)
Projected traffic1,638 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Harper Road over Trib T Salt Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Harper Road over Trib T Salt 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 August 2024.

How much traffic does Harper Road over Trib T Salt Creek carry?

About 1,365 vehicles per day (2013 count), of which roughly 20% are trucks.

How long is Harper Road over Trib T Salt Creek?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m) and a deck 39 ft wide.

Who owns Harper Road over Trib T Salt Creek?

It is owned by the County Highway Agency.