US Bridges

270th ST over Lime Creek

Fair

Buchanan County, Iowa · 088103501 · Structure no. 000000000082421

Built
2015
10 years old
Condition
Fair
inspected January 2024
Type
Other
Steel
Length
70 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

270th ST over Lime Creek is a steel other carrying 270th ST over Lime Creek in Buchanan County, Iowa. It was built in 2015, so it is 10 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.

It carries about 30 vehicles a day, projected to reach 30 by 2044. The structure is 70 ft (21.2 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries270th ST
CrossesLime Creek
Location088103501
RouteCounty Highway 0
StateIowa
Coordinates42.3993, -91.97844
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadOther
Structure length70 ft (21.2 m)
Longest span66 ft (20.1 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 270th ST over Lime Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is 270th ST over Lime 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 January 2024.

How much traffic does 270th ST over Lime Creek carry?

About 30 vehicles per day (2022 count).

How long is 270th ST over Lime Creek?

The structure is 70 ft (21.2 m) long with a longest span of 66 ft (20.1 m) and a deck 19 ft wide.

Who owns 270th ST over Lime Creek?

It is owned by the County Highway Agency.