US Bridges

W 4th ST over West Br Indian Creek

Fair

Story County, Iowa · 000000000 · Structure no. 000000000314531

Built
1998
27 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
1,119
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 4th ST over West Br Indian Creek is a concrete continuous slab carrying W 4th ST over West Br Indian 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 1,119 vehicles a day, projected to reach 1,119 by 2042. The structure is 115 ft (35.1 m) long and 39 ft wide.

Location

Open in Google Maps
CarriesW 4th ST
CrossesWest Br Indian Creek
Location000000000
RouteCity Street 0
CountyStory County
StateIowa
Coordinates42.0174, -93.46293
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating96.3 US tons
Inventory rating57.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span44 ft (13.4 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,119 (2022)
Projected traffic1,119 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 W 4th ST over West Br Indian Creek built?

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

What condition is W 4th ST over West Br Indian 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 June 2023.

How much traffic does W 4th ST over West Br Indian Creek carry?

About 1,119 vehicles per day (2022 count).

How long is W 4th ST over West Br Indian Creek?

The structure is 115 ft (35.1 m) long with a longest span of 44 ft (13.4 m) and a deck 39 ft wide.

Who owns W 4th ST over West Br Indian Creek?

It is owned by the City or Municipal Highway Agency.