US Bridges

142nd ST over W Branch Buffalo CR

Fair

Buchanan County, Iowa · 9008277423 · Structure no. 000000000083681

Built
2011
14 years old
Condition
Fair
inspected December 2023
Type
Other
Steel Continuous
Length
86 ft
2 main spans
Daily traffic
47
2022 count
Owner
County
County Highway Agency

About this bridge

142nd ST over W Branch Buffalo CR is a steel continuous other carrying 142nd ST over W Branch Buffalo CR in Buchanan County, Iowa. It was built in 2011, so it is 14 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 47 vehicles a day, projected to reach 47 by 2043. The structure is 86 ft (26.2 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries142nd ST
CrossesW Branch Buffalo CR
Location9008277423
RouteCounty Highway 0
CountyBuchanan County
StateIowa
Coordinates42.58163, -91.77205
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.9 US tons
Inventory rating56.5 US tons

Structure

Structure typeOther
MaterialSteel Continuous
DeckSteel plate
Main spans2
Design loadOther
Structure length86 ft (26.2 m)
Longest span44 ft (13.5 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic47 by 2043
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 142nd ST over W Branch Buffalo CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is 142nd ST over W Branch Buffalo 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 2023.

How much traffic does 142nd ST over W Branch Buffalo CR carry?

About 47 vehicles per day (2022 count).

How long is 142nd ST over W Branch Buffalo CR?

The structure is 86 ft (26.2 m) long with a longest span of 44 ft (13.5 m) and a deck 19 ft wide.

Who owns 142nd ST over W Branch Buffalo CR?

It is owned by the County Highway Agency.