US Bridges

US77 HWY over Madison Cr(milford Lk)

Fair

Geary County, Kansas · 6.98 MI N Njct K57 · Structure no. 999907700310451

Built
1967
58 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
357 ft
5 main spans
Daily traffic
1,888
2023 count
Owner
State
State Highway Agency

About this bridge

US77 HWY over Madison Cr(milford Lk) is a concrete continuous tee beam carrying US77 HWY over Madison Cr(milford Lk) in Geary County, Kansas. It was built in 1967, so it is 58 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,888 vehicles a day, roughly 13% of them trucks, projected to reach 2,086 by 2044. The structure is 357 ft (108.7 m) long and 46 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

Open in Google Maps
CarriesUS77 HWY
CrossesMadison Cr(milford Lk)
Location6.98 MI N Njct K57
RouteU.S. Route 77
CountyGeary County
StateKansas
Coordinates39.20167, -96.91722
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating53.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length357 ft (108.7 m)
Longest span80 ft (24.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,888 (2023)
Projected traffic2,086 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US77 HWY over Madison Cr(milford Lk) built?

It was built in 1967, making it 58 years old in 2025.

What condition is US77 HWY over Madison Cr(milford Lk) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does US77 HWY over Madison Cr(milford Lk) carry?

About 1,888 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US77 HWY over Madison Cr(milford Lk)?

The structure is 357 ft (108.7 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns US77 HWY over Madison Cr(milford Lk)?

It is owned by the State Highway Agency.