US Bridges

Minor 474-803.5 over W. Branch Gypsum Creek

Good

Saline County, Kansas · 6.0E of Mentor · Structure no. 000850803504740

Built
2017
8 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
54
2020 count
Owner
County
County Highway Agency

About this bridge

Minor 474-803.5 over W. Branch Gypsum Creek is a concrete continuous slab carrying Minor 474-803.5 over W. Branch Gypsum Creek in Saline County, Kansas. It was built in 2017, so it is 8 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 54 vehicles a day, projected to reach 63 by 2043. The structure is 103 ft (31.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMinor 474-803.5
CrossesW. Branch Gypsum Creek
Location6.0E of Mentor
RouteCounty Highway 8508
StateKansas
Coordinates38.74, -97.49163
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length103 ft (31.3 m)
Longest span40 ft (12.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic54 (2020)
Projected traffic63 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor 474-803.5 over W. Branch Gypsum Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Minor 474-803.5 over W. Branch Gypsum 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 February 2025.

How much traffic does Minor 474-803.5 over W. Branch Gypsum Creek carry?

About 54 vehicles per day (2020 count).

How long is Minor 474-803.5 over W. Branch Gypsum Creek?

The structure is 103 ft (31.3 m) long with a longest span of 40 ft (12.1 m) and a deck 30 ft wide.

Who owns Minor 474-803.5 over W. Branch Gypsum Creek?

It is owned by the County Highway Agency.