US Bridges

Fawn Hollow over Roberts Creek

Good

Clayton County, Iowa · 094053606 · Structure no. 000000000120621

Built
1984
41 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
177 ft
4 main spans
Daily traffic
128
2022 count
Owner
County
County Highway Agency

About this bridge

Fawn Hollow over Roberts Creek is a concrete continuous slab carrying Fawn Hollow over Roberts Creek in Clayton 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 128 vehicles a day, projected to reach 128 by 2044. The structure is 177 ft (54 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFawn Hollow
CrossesRoberts Creek
Location094053606
RouteCounty Highway 0
StateIowa
Coordinates42.90838, -91.38746
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 alignment6: Equal to present minimum criteria
Operating rating56 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length177 ft (54 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128 (2022)
Projected traffic128 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fawn Hollow over Roberts Creek built?

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

What condition is Fawn Hollow over Roberts 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 October 2024.

How much traffic does Fawn Hollow over Roberts Creek carry?

About 128 vehicles per day (2022 count).

How long is Fawn Hollow over Roberts Creek?

The structure is 177 ft (54 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns Fawn Hollow over Roberts Creek?

It is owned by the County Highway Agency.