US Bridges

SE 14th ST over Creek

Fair

Polk County, Iowa · 078243502 · Structure no. 000000000004122

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
576
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

SE 14th ST over Creek is a prestressed concrete stringer/multi-beam or girder carrying SE 14th ST over Creek in Polk County, Iowa. It was built in 1980, so it is 45 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 576 vehicles a day, roughly 6% of them trucks, projected to reach 576 by 2043. The structure is 75 ft (22.9 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSE 14th ST
CrossesCreek
Location078243502
RouteCity Street 0
StateIowa
Coordinates41.51405, -93.59674
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating93.6 US tons
Inventory rating56.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic576 (2022)
Projected traffic576 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$17,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SE 14th ST over Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SE 14th ST 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 July 2023.

How much traffic does SE 14th ST over Creek carry?

About 576 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SE 14th ST over Creek?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 34 ft wide.

Who owns SE 14th ST over Creek?

It is owned by the City or Municipal Highway Agency.