US Bridges

Harper G.5-14.1 over Branch of Thomas Creek

GoodPosted for load

Anderson County, Kansas · 0.1 N of HARPER-1400 · Structure no. 000000000020006

Built
1948
77 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
170
2014 count
Owner
County
County Highway Agency

About this bridge

Harper G.5-14.1 over Branch of Thomas Creek is a concrete culvert carrying Harper G.5-14.1 over Branch of Thomas Creek in Anderson County, Kansas. It was built in 1948, so it is 77 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 170 vehicles a day, roughly 10% of them trucks, projected to reach 204 by 2044. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHarper G.5-14.1
CrossesBranch of Thomas Creek
Location0.1 N of HARPER-1400
RouteCounty Highway 10
StateKansas
Coordinates38.22836, -95.39757
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
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 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 rating32.4 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 10
Structure length30 ft (9.1 m)
Longest span29 ft (8.9 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic170 (2014)
Projected traffic204 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harper G.5-14.1 over Branch of Thomas Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Harper G.5-14.1 over Branch of Thomas Creek 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 January 2024.

How much traffic does Harper G.5-14.1 over Branch of Thomas Creek carry?

About 170 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Harper G.5-14.1 over Branch of Thomas Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.9 m) and a deck 27 ft wide.

Who owns Harper G.5-14.1 over Branch of Thomas Creek?

It is owned by the County Highway Agency.