US Bridges

Minor 470-771.5 over Spring Creek

Good

Saline County, Kansas · 2.0S 1.8W of Bavaria · Structure no. 000850771504700

Built
2017
8 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
128
2017 count
Owner
County
County Highway Agency

About this bridge

Minor 470-771.5 over Spring Creek is a concrete continuous slab carrying Minor 470-771.5 over Spring 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 128 vehicles a day, roughly 6% of them trucks, projected to reach 156 by 2043. The structure is 182 ft (55.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMinor 470-771.5
CrossesSpring Creek
Location2.0S 1.8W of Bavaria
RouteCounty Highway 8510
StateKansas
Coordinates38.76934, -97.78849
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.1 US tons
Inventory rating62.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length182 ft (55.6 m)
Longest span72 ft (21.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic128 (2017)
Projected traffic156 by 2043
Trucks6%
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 470-771.5 over Spring Creek built?

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

What condition is Minor 470-771.5 over Spring 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 2023.

How much traffic does Minor 470-771.5 over Spring Creek carry?

About 128 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is Minor 470-771.5 over Spring Creek?

The structure is 182 ft (55.6 m) long with a longest span of 72 ft (21.9 m) and a deck 30 ft wide.

Who owns Minor 470-771.5 over Spring Creek?

It is owned by the County Highway Agency.