US Bridges

US-77 HWY over Republican River

Good

Geary County, Kansas · 13.8 MI N of Geary Scoln · Structure no. 999907700310761

Built
1998
27 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
758 ft
6 main spans
Daily traffic
8,721
2023 count
Owner
State
State Highway Agency

About this bridge

US-77 HWY over Republican River is a steel continuous stringer/multi-beam or girder carrying US-77 HWY over Republican River in Geary County, Kansas. It was built in 1998, so it is 27 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 8,721 vehicles a day, roughly 3% of them trucks, projected to reach 12,959 by 2044. The structure is 758 ft (231.1 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS-77 HWY
CrossesRepublican River
Location13.8 MI N of Geary Scoln
RouteU.S. Route 77
StateKansas
Coordinates39.07083, -96.86694
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating72 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans6
Design loadHS 25 or greater
Structure length758 ft (231.1 m)
Longest span164 ft (50 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,721 (2023)
Projected traffic12,959 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 US-77 HWY over Republican River built?

It was built in 1998, making it 27 years old in 2025.

What condition is US-77 HWY over Republican River 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 October 2023.

How much traffic does US-77 HWY over Republican River carry?

About 8,721 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US-77 HWY over Republican River?

The structure is 758 ft (231.1 m) long with a longest span of 164 ft (50 m) and a deck 46 ft wide.

Who owns US-77 HWY over Republican River?

It is owned by the State Highway Agency.