US Bridges

80th RD over Spillman Creek

Fair

Lincoln County, Kansas · 3.5S 0.3E of Ash Grove · Structure no. 000530711004225

Built
1930
95 years old
Condition
Fair
inspected October 2024
Type
Culvert
Masonry
Length
56 ft
2 main spans
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

80th RD over Spillman Creek is a masonry culvert carrying 80th RD over Spillman Creek in Lincoln County, Kansas. It was built in 1930, so it is 95 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 5 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 35 vehicles a day, roughly 5% of them trucks, projected to reach 40 by 2044. The structure is 56 ft (17.1 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries80th RD
CrossesSpillman Creek
Location3.5S 0.3E of Ash Grove
RouteCounty Highway 0
StateKansas
Coordinates39.11131, -98.35392
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating49.1 US tons
Inventory rating49.1 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span24 ft (7.3 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2022)
Projected traffic40 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 80th RD over Spillman Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is 80th RD over Spillman Creek 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 2024.

How much traffic does 80th RD over Spillman Creek carry?

About 35 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 80th RD over Spillman Creek?

The structure is 56 ft (17.1 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.

Who owns 80th RD over Spillman Creek?

It is owned by the County Highway Agency.