US Bridges

N 11th Street over Sycamore Creek

Fair

Montgomery County, Ohio · 0.2 MI S of Kercher ST · Structure no. 5767865

Built
1950
75 years old, rebuilt 1977
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
753
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

N 11th Street over Sycamore Creek is a prestressed concrete box beam or girders - multiple carrying N 11th Street over Sycamore Creek in Montgomery County, Ohio. It was built in 1950 and reconstructed in 1977, so it is 75 years old, older than the Ohio average of 47.3 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 753 vehicles a day, roughly 5% of them trucks, projected to reach 1,030 by 2038. The structure is 40 ft (12.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN 11th Street
CrossesSycamore Creek
Location0.2 MI S of Kercher ST
RouteCity Street 2688
StateOhio
Coordinates39.64481, -84.27303
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic753 (2018)
Projected traffic1,030 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 N 11th Street over Sycamore Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1977.

What condition is N 11th Street 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 May 2024.

How much traffic does N 11th Street over Sycamore Creek carry?

About 753 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is N 11th Street over Sycamore Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns N 11th Street over Sycamore Creek?

It is owned by the City or Municipal Highway Agency.