US Bridges

Quest AVE/P30 over Deadbrier Creek

Fair

Greene County, Iowa · 082303504 · Structure no. 000000000161840

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
210
2022 count
Owner
County
County Highway Agency

About this bridge

Quest AVE/P30 over Deadbrier Creek is a concrete continuous slab carrying Quest AVE/P30 over Deadbrier Creek in Greene County, Iowa. It was built in 1969, so it is 56 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 210 vehicles a day, roughly 8% of them trucks, projected to reach 210 by 2044. The structure is 77 ft (23.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesQuest AVE/P30
CrossesDeadbrier Creek
Location082303504
RouteCounty Highway 0
CountyGreene County
StateIowa
Coordinates41.86404, -94.30937
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 inspectionJuly 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length77 ft (23.5 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2022)
Projected traffic210 by 2044
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Quest AVE/P30 over Deadbrier Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Quest AVE/P30 over Deadbrier 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 July 2024.

How much traffic does Quest AVE/P30 over Deadbrier Creek carry?

About 210 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Quest AVE/P30 over Deadbrier Creek?

The structure is 77 ft (23.5 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns Quest AVE/P30 over Deadbrier Creek?

It is owned by the County Highway Agency.