US Bridges

Eighth Street; 001 over Sycamore Creek

Fair

Montgomery County, Kansas · Eighth and Cline · Structure no. 405350630504001

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
5,950
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Eighth Street; 001 over Sycamore Creek is a concrete continuous slab carrying Eighth Street; 001 over Sycamore Creek in Montgomery County, Kansas. It was built in 1984, so it is 41 years old, younger 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 6 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 5,950 vehicles a day, roughly 5% of them trucks, projected to reach 7,140 by 2033. The structure is 94 ft (28.8 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEighth Street; 001
CrossesSycamore Creek
LocationEighth and Cline
RouteCity Street 504
StateKansas
Coordinates37.03634, -95.64843
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.3 US tons
Inventory rating34.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.8 m)
Longest span36 ft (10.9 m)
Deck width36 ft (11.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5,950 (2010)
Projected traffic7,140 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Eighth Street; 001 over Sycamore Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Eighth Street; 001 over Sycamore 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 March 2023.

How much traffic does Eighth Street; 001 over Sycamore Creek carry?

About 5,950 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Eighth Street; 001 over Sycamore Creek?

The structure is 94 ft (28.8 m) long with a longest span of 36 ft (10.9 m) and a deck 36 ft wide.

Who owns Eighth Street; 001 over Sycamore Creek?

It is owned by the City or Municipal Highway Agency.