US Bridges

X030 Ext(geode) over Cedar Creek

Poor

Henry County, Iowa · 070052506 · Structure no. 000000000179955

Built
1935
90 years old
Condition
Poor
inspected February 2024
Type
Arch - Deck
Concrete
Length
50 ft
1 main span
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

X030 Ext(geode) over Cedar Creek is a concrete arch - deck carrying X030 Ext(geode) over Cedar Creek in Henry County, Iowa. It was built in 1935, so it is 90 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 70 vehicles a day, projected to reach 70 by 2044. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesX030 Ext(geode)
CrossesCedar Creek
Location070052506
RouteCounty Highway 0
CountyHenry County
StateIowa
Coordinates40.82857, -91.38194
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating25.6 US tons
Inventory rating18.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic70 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was X030 Ext(geode) over Cedar Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is X030 Ext(geode) over Cedar Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does X030 Ext(geode) over Cedar Creek carry?

About 70 vehicles per day (2022 count).

How long is X030 Ext(geode) over Cedar Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns X030 Ext(geode) over Cedar Creek?

It is owned by the County Highway Agency.