US Bridges

300 Street over High Creek

Fair

Fremont County, Iowa · 067402001 · Structure no. 000000000158771

Built
1988
37 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

300 Street over High Creek is a prestressed concrete tee beam carrying 300 Street over High Creek in Fremont County, Iowa. It was built in 1988, so it is 37 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 11 vehicles a day, roughly 27% of them trucks, projected to reach 11 by 2043. The structure is 34 ft (10.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries300 Street
CrossesHigh Creek
Location067402001
RouteCounty Highway 0
StateIowa
Coordinates40.61302, -95.4598
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
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks27%
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 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 300 Street over High Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is 300 Street over High 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 May 2023.

How much traffic does 300 Street over High Creek carry?

About 11 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is 300 Street over High Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 27 ft wide.

Who owns 300 Street over High Creek?

It is owned by the County Highway Agency.