US Bridges

S Riverside Drive over Creek

Fair

Story County, Iowa · 0.3 Mi. S of Airport Rd. · Structure no. 000000000505755

Built
1998
27 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
18
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Riverside Drive over Creek is a concrete continuous culvert carrying S Riverside Drive over Creek in Story County, Iowa. It was built in 1998, so it is 27 years old, younger than the Iowa average of 45.5 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 18 vehicles a day, projected to reach 18 by 2044. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS Riverside Drive
CrossesCreek
Location0.3 Mi. S of Airport Rd.
RouteCity Street 0
StateIowa
Coordinates41.99687, -93.62967
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2023)
Projected traffic18 by 2044
Trucks0%
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

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 S Riverside Drive over Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is S Riverside Drive over 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 April 2024.

How much traffic does S Riverside Drive over Creek carry?

About 18 vehicles per day (2023 count).

How long is S Riverside Drive over Creek?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.8 m).

Who owns S Riverside Drive over Creek?

It is owned by the City or Municipal Highway Agency.