US Bridges

Yale Ave over Keg Creek

Fair

Harrison County, Iowa · 078411302 · Structure no. 000000000177020

Built
1940
85 years old, rebuilt 1960
Condition
Fair
inspected December 2022
Type
Truss - Thru
Steel
Length
82 ft
1 main span
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Yale Ave over Keg Creek is a steel truss - thru carrying Yale Ave over Keg Creek in Harrison County, Iowa. It was built in 1940 and reconstructed in 1960, so it is 85 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 29 vehicles a day, projected to reach 29 by 2043. The structure is 82 ft (25 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesYale Ave
CrossesKeg Creek
Location078411302
RouteCounty Highway 0
CountyHarrison County
StateIowa
Coordinates41.55894, -95.51721
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.4 US tons
Inventory rating25.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Yale Ave over Keg Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1960.

What condition is Yale Ave over Keg 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 December 2022.

How much traffic does Yale Ave over Keg Creek carry?

About 29 vehicles per day (2022 count).

How long is Yale Ave over Keg Creek?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 21 ft wide.

Who owns Yale Ave over Keg Creek?

It is owned by the County Highway Agency.