US Bridges

Local Road over Green Creek

Good

Henry County, Iowa · 072072107 · Structure no. 000000000181151

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over Green Creek is a concrete continuous slab carrying Local Road over Green Creek in Henry County, Iowa. It was built in 2010, so it is 15 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 35 by 2043. The structure is 94 ft (28.5 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLocal Road
CrossesGreen Creek
Location072072107
RouteCounty Highway 0
StateIowa
Coordinates41.02969, -91.66262
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.6 US tons
Inventory rating44.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.5 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2043
Trucks0%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Road over Green Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Local Road over Green Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Local Road over Green Creek carry?

About 35 vehicles per day (2022 count).

How long is Local Road over Green Creek?

The structure is 94 ft (28.5 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns Local Road over Green Creek?

It is owned by the County Highway Agency.