US Bridges

270th Ave over Lost Branch Creek

Good

Lucas County, Iowa · 071213602 · Structure no. 000000000225561

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Slab
Steel
Length
53 ft
3 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

270th Ave over Lost Branch Creek is a steel slab carrying 270th Ave over Lost Branch Creek in Lucas County, Iowa. It was built in 2013, so it is 12 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 53 ft (16.2 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries270th Ave
CrossesLost Branch Creek
Location071213602
RouteCounty Highway 0
StateIowa
Coordinates40.91154, -93.23112
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 270th Ave over Lost Branch Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is 270th Ave over Lost Branch 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 November 2023.

How much traffic does 270th Ave over Lost Branch Creek carry?

About 30 vehicles per day (2022 count).

How long is 270th Ave over Lost Branch Creek?

The structure is 53 ft (16.2 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns 270th Ave over Lost Branch Creek?

It is owned by the County Highway Agency.