US Bridges

Tuff ST over Small Creek

FairPosted for load

Clayton County, Iowa · 000000000 · Structure no. 000000000008761

Built
1973
52 years old, rebuilt 2003
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
232
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tuff ST over Small Creek is a steel stringer/multi-beam or girder carrying Tuff ST over Small Creek in Clayton County, Iowa. It was built in 1973 and reconstructed in 2003, so it is 52 years old, older 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. Its operating status is: posted for load restriction.

It carries about 232 vehicles a day, projected to reach 232 by 2043. The structure is 39 ft (11.9 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesTuff ST
CrossesSmall Creek
Location000000000
RouteCity Street 0
CountyClayton County
StateIowa
Coordinates42.67762, -90.95671
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating32.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic232 (2021)
Projected traffic232 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$100,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tuff ST over Small Creek built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2003.

What condition is Tuff ST over Small 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 March 2023.

How much traffic does Tuff ST over Small Creek carry?

About 232 vehicles per day (2021 count).

How long is Tuff ST over Small Creek?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 22 ft wide.

Who owns Tuff ST over Small Creek?

It is owned by the City or Municipal Highway Agency.