US Bridges

Ia 16 over Little Cedar Creek

Good

Lee County, Iowa · 6.4 Mi. W of Jct. US 218 · Structure no. 000000000033301

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 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 culvert carrying Ia 16 over Little Cedar Creek in Lee County, Iowa. It was built in 1989, so it is 36 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 830 vehicles a day, roughly 26% of them trucks, projected to reach 830 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesIa 16
CrossesLittle Cedar Creek
Location6.4 Mi. W of Jct. US 218
RouteState Highway 16
StateIowa
Coordinates40.78452, -91.68648
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic830 (2022)
Projected traffic830 by 2042
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 16 over Little Cedar Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ia 16 over Little Cedar 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 March 2023.

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 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 16 over Little Cedar Creek?

It is owned by the State Highway Agency.