US Bridges

Aa Road over Trib. to Mattox Draw

GoodPosted for load

Hamilton County, Kansas · 16.5N of Kendall · Structure no. 000000000470220

Built
1968
57 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
63 ft
6 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Aa Road over Trib. to Mattox Draw is a concrete culvert carrying Aa Road over Trib. to Mattox Draw in Hamilton County, Kansas. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2041. The structure is 63 ft (19.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAa Road
CrossesTrib. to Mattox Draw
Location16.5N of Kendall
RouteCounty Highway 1526
CountyHamilton County
StateKansas
Coordinates38.17122, -101.54175
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.4 US tons
Inventory rating19.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length63 ft (19.3 m)
Longest span10 ft (3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2022)
Projected traffic10 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Aa Road over Trib. to Mattox Draw built?

It was built in 1968, making it 57 years old in 2025.

What condition is Aa Road over Trib. to Mattox Draw 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 November 2023.

How much traffic does Aa Road over Trib. to Mattox Draw carry?

About 20 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Aa Road over Trib. to Mattox Draw?

The structure is 63 ft (19.3 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns Aa Road over Trib. to Mattox Draw?

It is owned by the County Highway Agency.