US Bridges

County RD E-28 over Buffalo Creek

Good

Jones County, Iowa · 084040307 · Structure no. 000000000207696

Built
1995
30 years old
Condition
Good
inspected December 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
3 main spans
Daily traffic
1,237
2022 count
Owner
County
County Highway Agency

About this bridge

County RD E-28 over Buffalo Creek is a prestressed concrete stringer/multi-beam or girder carrying County RD E-28 over Buffalo Creek in Jones County, Iowa. It was built in 1995, so it is 30 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 1,237 vehicles a day, roughly 11% of them trucks, projected to reach 1,237 by 2043. The structure is 229 ft (69.8 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty RD E-28
CrossesBuffalo Creek
Location084040307
RouteCounty Highway 0
CountyJones County
StateIowa
Coordinates42.10853, -91.29907
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span81 ft (24.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,237 (2022)
Projected traffic1,237 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 County RD E-28 over Buffalo Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is County RD E-28 over Buffalo 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 December 2021.

How much traffic does County RD E-28 over Buffalo Creek carry?

About 1,237 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is County RD E-28 over Buffalo Creek?

The structure is 229 ft (69.8 m) long with a longest span of 81 ft (24.7 m) and a deck 33 ft wide.

Who owns County RD E-28 over Buffalo Creek?

It is owned by the County Highway Agency.