US Bridges

Local O-29.7 over Trib. to East Marsh Ck.

Good

Jewell County, Kansas · 0.5S 1.7E of Formoso · Structure no. 000450753703320

Built
1987
38 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
103 ft
3 main spans
Daily traffic
35
2018 count
Owner
County
County Highway Agency

About this bridge

Local O-29.7 over Trib. to East Marsh Ck. is a steel continuous stringer/multi-beam or girder carrying Local O-29.7 over Trib. to East Marsh Ck. in Jewell County, Kansas. It was built in 1987, so it is 38 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 35 vehicles a day, projected to reach 35 by 2044. The structure is 103 ft (31.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal O-29.7
CrossesTrib. to East Marsh Ck.
Location0.5S 1.7E of Formoso
RouteCounty Highway 0
StateKansas
Coordinates39.76948, -97.95765
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length103 ft (31.3 m)
Longest span63 ft (19.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2018)
Projected traffic35 by 2044
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$610,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local O-29.7 over Trib. to East Marsh Ck. built?

It was built in 1987, making it 38 years old in 2025.

What condition is Local O-29.7 over Trib. to East Marsh Ck. 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 March 2024.

How much traffic does Local O-29.7 over Trib. to East Marsh Ck. carry?

About 35 vehicles per day (2018 count).

How long is Local O-29.7 over Trib. to East Marsh Ck.?

The structure is 103 ft (31.3 m) long with a longest span of 63 ft (19.2 m) and a deck 25 ft wide.

Who owns Local O-29.7 over Trib. to East Marsh Ck.?

It is owned by the County Highway Agency.