US Bridges

300th ST over Dry Run Creek

Fair

Fayette County, Iowa · 095100701 · Structure no. 000000000153401

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
42 ft
3 main spans
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

300th ST over Dry Run Creek is a steel culvert carrying 300th ST over Dry Run Creek in Fayette County, Iowa. It was built in 1990, so it is 35 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 5 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 33 vehicles a day, projected to reach 33 by 2043. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 5 mi (8 km).

Carries300th ST
CrossesDry Run Creek
Location095100701
RouteCounty Highway 0
StateIowa
Coordinates43.06709, -92.07932
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length42 ft (12.8 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 traffic33 (2022)
Projected traffic33 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 300th ST over Dry Run Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is 300th ST over Dry Run 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 2023.

How much traffic does 300th ST over Dry Run Creek carry?

About 33 vehicles per day (2022 count).

How long is 300th ST over Dry Run Creek?

The structure is 42 ft (12.8 m) long with a longest span of 12 ft (3.7 m).

Who owns 300th ST over Dry Run Creek?

It is owned by the County Highway Agency.