US Bridges

Bridge ST over Big Cedar Creek

Fair

Pocahontas County, Iowa · 090342701 · Structure no. 000000000004851

Built
1984
41 years old
Condition
Fair
inspected October 2022
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
96
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bridge ST over Big Cedar Creek is a concrete continuous slab carrying Bridge ST over Big Cedar Creek in Pocahontas County, Iowa. It was built in 1984, so it is 41 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 96 vehicles a day, projected to reach 96 by 2043. The structure is 128 ft (39 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBridge ST
CrossesBig Cedar Creek
Location090342701
RouteCity Street 0
StateIowa
Coordinates42.58173, -94.85085
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length128 ft (39 m)
Longest span46 ft (14 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2022)
Projected traffic96 by 2043
Trucks0%
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

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$23,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bridge ST over Big Cedar Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Bridge ST 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 October 2022.

How much traffic does Bridge ST over Big Cedar Creek carry?

About 96 vehicles per day (2022 count).

How long is Bridge ST over Big Cedar Creek?

The structure is 128 ft (39 m) long with a longest span of 46 ft (14 m) and a deck 33 ft wide.

Who owns Bridge ST over Big Cedar Creek?

It is owned by the City or Municipal Highway Agency.