US Bridges

H14 120th ST over Local Creek

Fair

Henry County, Iowa · 073051801 · Structure no. 000000000366085

Built
1920
105 years old, rebuilt 1963
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

H14 120th ST over Local Creek is a concrete slab carrying H14 120th ST over Local Creek in Henry County, Iowa. It was built in 1920 and reconstructed in 1963, so it is 105 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 120 vehicles a day, projected to reach 120 by 2043. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesH14 120th ST
CrossesLocal Creek
Location073051801
RouteCounty Highway 0
CountyHenry County
StateIowa
Coordinates41.13362, -91.47337
Functional classRural Minor 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
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 inspectionFebruary 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.5 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic120 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 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 H14 120th ST over Local Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1963.

What condition is H14 120th ST over Local 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 February 2023.

How much traffic does H14 120th ST over Local Creek carry?

About 120 vehicles per day (2022 count).

How long is H14 120th ST over Local Creek?

The structure is 30 ft (9.1 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns H14 120th ST over Local Creek?

It is owned by the County Highway Agency.