US Bridges

Ia 7 over Big Cedar Creek

Fair

Pocahontas County, Iowa · 0.4 Mi. E of SR N28 · Structure no. 000000000040260

Built
1968
57 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
1,210
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 7 over Big Cedar Creek is a concrete continuous slab carrying Ia 7 over Big Cedar Creek in Pocahontas County, Iowa. It was built in 1968, so it is 57 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 1,210 vehicles a day, roughly 21% of them trucks, projected to reach 1,210 by 2043. The structure is 103 ft (31.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIa 7
CrossesBig Cedar Creek
Location0.4 Mi. E of SR N28
RouteState Highway 7
StateIowa
Coordinates42.58896, -94.84794
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.5 US tons
Inventory rating26.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,210 (2022)
Projected traffic1,210 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 7 over Big Cedar Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ia 7 over Big 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 September 2023.

How much traffic does Ia 7 over Big Cedar Creek carry?

About 1,210 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Ia 7 over Big Cedar Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 47 ft wide.

Who owns Ia 7 over Big Cedar Creek?

It is owned by the State Highway Agency.