US Bridges

SW Haverhill RD over Walnut River

Good

Butler County, Kansas · 5.3N of Haverhill · Structure no. 000000000080330

Built
1975
50 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
306 ft
3 main spans
Daily traffic
1,835
2021 count
Owner
County
County Highway Agency

About this bridge

SW Haverhill RD over Walnut River is a steel continuous stringer/multi-beam or girder carrying SW Haverhill RD over Walnut River in Butler County, Kansas. It was built in 1975, so it is 50 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 1,835 vehicles a day, roughly 2% of them trucks, projected to reach 1,934 by 2045. The structure is 306 ft (93.3 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSW Haverhill RD
CrossesWalnut River
Location5.3N of Haverhill
RouteCounty Highway 77
StateKansas
Coordinates37.75477, -96.87949
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length306 ft (93.3 m)
Longest span115 ft (35 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,835 (2021)
Projected traffic1,934 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 SW Haverhill RD over Walnut River built?

It was built in 1975, making it 50 years old in 2025.

What condition is SW Haverhill RD over Walnut River 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 July 2024.

How much traffic does SW Haverhill RD over Walnut River carry?

About 1,835 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is SW Haverhill RD over Walnut River?

The structure is 306 ft (93.3 m) long with a longest span of 115 ft (35 m) and a deck 46 ft wide.

Who owns SW Haverhill RD over Walnut River?

It is owned by the County Highway Agency.