US Bridges

Local 275th ST over Smith CR

FairPosted for load

Buchanan County, Iowa · 088083505 · Structure no. 000000000082140

Built
2002
23 years old
Condition
Fair
inspected December 2024
Type
Other
Steel
Length
56 ft
1 main span
Daily traffic
25
2013 count
Owner
County
County Highway Agency

About this bridge

Local 275th ST over Smith CR is a steel other carrying Local 275th ST over Smith CR in Buchanan County, Iowa. It was built in 2002, so it is 23 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. Its operating status is: posted for other load-capacity restriction.

It carries about 25 vehicles a day, projected to reach 25 by 2043. The structure is 56 ft (17.1 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLocal 275th ST
CrossesSmith CR
Location088083505
RouteCounty Highway 0
CountyBuchanan County
StateIowa
Coordinates42.39183, -91.73685
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
Deck7 GoodSome minor problems.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.2 US tons
Inventory rating35.9 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span52 ft (15.9 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2013)
Projected traffic25 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local 275th ST over Smith CR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Local 275th ST over Smith CR 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 December 2024.

How much traffic does Local 275th ST over Smith CR carry?

About 25 vehicles per day (2013 count).

How long is Local 275th ST over Smith CR?

The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.9 m) and a deck 20 ft wide.

Who owns Local 275th ST over Smith CR?

It is owned by the County Highway Agency.