US Bridges

SW State Street over Saylor Creek

Good

Polk County, Iowa · 080242700 · Structure no. 000000000504650

Built
1997
28 years old, rebuilt 2008
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
748
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW State Street over Saylor Creek is a concrete continuous culvert carrying SW State Street over Saylor Creek in Polk County, Iowa. It was built in 1997 and reconstructed in 2008, so it is 28 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 748 vehicles a day, projected to reach 748 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSW State Street
CrossesSaylor Creek
Location080242700
RouteCity Street 0
StateIowa
Coordinates41.71278, -93.62132
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic748 (2022)
Projected traffic748 by 2044
Trucks0%
Lanes on structure4
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW State Street over Saylor Creek built?

It was built in 1997, making it 28 years old in 2025. It was reconstructed in 2008.

What condition is SW State Street over Saylor Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does SW State Street over Saylor Creek carry?

About 748 vehicles per day (2022 count).

How long is SW State Street over Saylor Creek?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m).

Who owns SW State Street over Saylor Creek?

It is owned by the City or Municipal Highway Agency.