US Bridges

SP 510th (693) over Possum Hollow Creek

Good

Lucas County, Iowa · 1.0 Mi. E of 300 Trail RD · Structure no. 000000000225981

Built
2002
23 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
26
2022 count
Owner
State
State Highway Agency

About this bridge

SP 510th (693) over Possum Hollow Creek is a concrete continuous culvert carrying SP 510th (693) over Possum Hollow Creek in Lucas County, Iowa. It was built in 2002, so it is 23 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26 vehicles a day, projected to reach 26 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSP 510th (693)
CrossesPossum Hollow Creek
Location1.0 Mi. E of 300 Trail RD
RouteCounty Highway 0
StateIowa
Coordinates41.0593, -93.15697
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 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

OwnerState Highway Agency
Maintained byState 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 SP 510th (693) over Possum Hollow Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is SP 510th (693) over Possum Hollow 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 July 2023.

How much traffic does SP 510th (693) over Possum Hollow Creek carry?

About 26 vehicles per day (2022 count).

How long is SP 510th (693) over Possum Hollow Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SP 510th (693) over Possum Hollow Creek?

It is owned by the State Highway Agency.