US Bridges

Sycamore Street over Coon Creek

PoorPosted for load

Allen County, Kansas · 27 Sycamore near Lincoln · Structure no. 513700010000007

Built
1930
95 years old
Condition
Poor
inspected January 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
150
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sycamore Street over Coon Creek is a concrete slab carrying Sycamore Street over Coon Creek in Allen 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 1% of them trucks, projected to reach 150 by 2044. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSycamore Street
CrossesCoon Creek
Location27 Sycamore near Lincoln
RouteCity Street 0
StateKansas
Coordinates37.92731, -95.40215
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating17 US tons
Inventory rating12 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span13 ft (3.9 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic150 (2003)
Projected traffic150 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$145,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sycamore Street over Coon Creek built?

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

What condition is Sycamore Street over Coon Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Sycamore Street over Coon Creek carry?

About 150 vehicles per day (2003 count), of which roughly 1% are trucks.

How long is Sycamore Street over Coon Creek?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (3.9 m) and a deck 26 ft wide.

Who owns Sycamore Street over Coon Creek?

It is owned by the City or Municipal Highway Agency.