US Bridges

170 TH / E26 over West Buttricks Creek

Fair

Greene County, Iowa · 084301101 · Structure no. 000000000162500

Built
1963
62 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
229
2022 count
Owner
County
County Highway Agency

About this bridge

170 TH / E26 over West Buttricks Creek is a concrete continuous slab carrying 170 TH / E26 over West Buttricks Creek in Greene County, Iowa. It was built in 1963, so it is 62 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.

It carries about 229 vehicles a day, roughly 14% of them trucks, projected to reach 229 by 2043. The structure is 74 ft (22.6 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries170 TH / E26
CrossesWest Buttricks Creek
Location084301101
RouteCounty Highway 0
StateIowa
Coordinates42.10694, -94.30138
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length74 ft (22.6 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic229 (2022)
Projected traffic229 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 170 TH / E26 over West Buttricks Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is 170 TH / E26 over West Buttricks 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 May 2024.

How much traffic does 170 TH / E26 over West Buttricks Creek carry?

About 229 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is 170 TH / E26 over West Buttricks Creek?

The structure is 74 ft (22.6 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns 170 TH / E26 over West Buttricks Creek?

It is owned by the County Highway Agency.