US Bridges

Local 115th ST over Turkey Creek

FairPosted for load

Howard County, Iowa · 099113107 · Structure no. 000000000182871

Built
1987
38 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
128 ft
4 main spans
Daily traffic
59
2022 count
Owner
County
County Highway Agency

About this bridge

Local 115th ST over Turkey Creek is a wood or timber stringer/multi-beam or girder carrying Local 115th ST over Turkey Creek in Howard County, Iowa. It was built in 1987, so it is 38 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. Its operating status is: posted for load restriction.

It carries about 59 vehicles a day, projected to reach 59 by 2044. The structure is 128 ft (39 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLocal 115th ST
CrossesTurkey Creek
Location099113107
RouteCounty Highway 0
StateIowa
Coordinates43.34922, -92.1882
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.1 US tons
Inventory rating26.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length128 ft (39 m)
Longest span34 ft (10.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2022)
Projected traffic59 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Local 115th ST over Turkey Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Local 115th ST over Turkey 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 April 2024.

How much traffic does Local 115th ST over Turkey Creek carry?

About 59 vehicles per day (2022 count).

How long is Local 115th ST over Turkey Creek?

The structure is 128 ft (39 m) long with a longest span of 34 ft (10.4 m) and a deck 25 ft wide.

Who owns Local 115th ST over Turkey Creek?

It is owned by the County Highway Agency.