US Bridges

Lynx Rd. over Frog Creek

Poor

Coffey County, Kansas · L.0-27.5 · Structure no. 000160991005162

Built
1974
51 years old
Condition
Poor
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
30
2013 count
Owner
County
County Highway Agency

About this bridge

Lynx Rd. over Frog Creek is a prestressed concrete tee beam carrying Lynx Rd. over Frog Creek in Coffey County, Kansas. It was built in 1974, so it is 51 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 30 vehicles a day, roughly 5% of them trucks, projected to reach 35 by 2044. The structure is 77 ft (23.5 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLynx Rd.
CrossesFrog Creek
LocationL.0-27.5
RouteCounty Highway 0
StateKansas
Coordinates38.42994, -95.74743
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.4 US tons
Inventory rating14 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 15
Structure length77 ft (23.5 m)
Longest span76 ft (23.1 m)
Deck width24 ft (7.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2013)
Projected traffic35 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$490,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lynx Rd. over Frog Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Lynx Rd. over Frog Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Lynx Rd. over Frog Creek carry?

About 30 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Lynx Rd. over Frog Creek?

The structure is 77 ft (23.5 m) long with a longest span of 76 ft (23.1 m) and a deck 24 ft wide.

Who owns Lynx Rd. over Frog Creek?

It is owned by the County Highway Agency.