US Bridges

Fern Blvd over Carter Creek

Good

Davis County, Iowa · 068151300 · Structure no. 000000000134031

Built
2022
3 years old
Condition
Good
inspected May 2023
Type
Slab
Steel
Length
51 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Fern Blvd over Carter Creek is a steel slab carrying Fern Blvd over Carter Creek in Davis County, Iowa. It was built in 2022, so it is 3 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11 vehicles a day, projected to reach 11 by 2043. The structure is 51 ft (15.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFern Blvd
CrossesCarter Creek
Location068151300
RouteCounty Highway 0
StateIowa
Coordinates40.692, -92.52392
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fern Blvd over Carter Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Fern Blvd over Carter Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Fern Blvd over Carter Creek carry?

About 11 vehicles per day (2022 count).

How long is Fern Blvd over Carter Creek?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 25 ft wide.

Who owns Fern Blvd over Carter Creek?

It is owned by the County Highway Agency.