US Bridges

Minor 488-811.5 over Gypsum Creek

Good

Saline County, Kansas · 4.5S 0.5E of Gypsum · Structure no. 000850811504880

Built
1991
34 years old, rebuilt 2013
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Concrete
Length
132 ft
3 main spans
Daily traffic
4
2020 count
Owner
County
County Highway Agency

About this bridge

Minor 488-811.5 over Gypsum Creek is a concrete stringer/multi-beam or girder carrying Minor 488-811.5 over Gypsum Creek in Saline County, Kansas. It was built in 1991 and reconstructed in 2013, so it is 34 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 4 vehicles a day, projected to reach 63 by 2043. The structure is 132 ft (40.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMinor 488-811.5
CrossesGypsum Creek
Location4.5S 0.5E of Gypsum
RouteCounty Highway 8506
CountySaline County
StateKansas
Coordinates38.63814, -97.41846
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.
Superstructure8 Very GoodNo problems noted.
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 within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.2 US tons
Inventory rating46.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length132 ft (40.1 m)
Longest span50 ft (15.2 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 traffic4 (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 488-811.5 over Gypsum Creek built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2013.

What condition is Minor 488-811.5 over 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 488-811.5 over Gypsum Creek carry?

About 4 vehicles per day (2020 count).

How long is Minor 488-811.5 over Gypsum Creek?

The structure is 132 ft (40.1 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns Minor 488-811.5 over Gypsum Creek?

It is owned by the County Highway Agency.