US Bridges

Ia 16 over Little Cedar Creek

Fair

Lee County, Iowa · 1.7 Mi. E of Jct. SR W46 · Structure no. 000000000033290

Built
1966
59 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
830
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 16 over Little Cedar Creek is a concrete continuous slab carrying Ia 16 over Little Cedar Creek in Lee County, Iowa. It was built in 1966, so it is 59 years old, older 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 830 vehicles a day, roughly 26% of them trucks, projected to reach 830 by 2044. The structure is 115 ft (35.1 m) long and 35 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesIa 16
CrossesLittle Cedar Creek
Location1.7 Mi. E of Jct. SR W46
RouteState Highway 16
CountyLee County
StateIowa
Coordinates40.79159, -91.70448
Functional classRural 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating33.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span45 ft (13.7 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic830 (2022)
Projected traffic830 by 2044
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 16 over Little Cedar Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Ia 16 over Little Cedar 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 January 2024.

How much traffic does Ia 16 over Little Cedar Creek carry?

About 830 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is Ia 16 over Little Cedar Creek?

The structure is 115 ft (35.1 m) long with a longest span of 45 ft (13.7 m) and a deck 35 ft wide.

Who owns Ia 16 over Little Cedar Creek?

It is owned by the State Highway Agency.