US Bridges

US 63 over Brown Creek

Fair

Wapello County, Iowa · 1.9 Mi. S of Jct. Ia 137 · Structure no. 000000000050791

Built
1988
37 years old, rebuilt 1995
Condition
Fair
inspected January 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
10,100
2022 count
Owner
State
State Highway Agency

About this bridge

US 63 over Brown Creek is a concrete continuous culvert carrying US 63 over Brown Creek in Wapello County, Iowa. It was built in 1988 and reconstructed in 1995, so it is 37 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 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 10,100 vehicles a day, roughly 20% of them trucks, projected to reach 10,100 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 39.8 mi (64 km).

CarriesUS 63
CrossesBrown Creek
Location1.9 Mi. S of Jct. Ia 137
RouteU.S. Route 63
StateIowa
Coordinates41.13844, -92.5937
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic10,100 (2022)
Projected traffic10,100 by 2042
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemYes

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 US 63 over Brown Creek built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 1995.

What condition is US 63 over Brown 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 2023.

How much traffic does US 63 over Brown Creek carry?

About 10,100 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is US 63 over Brown Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns US 63 over Brown Creek?

It is owned by the State Highway Agency.