US Bridges

W.Rock Cr/Col 7831 over Oak Creek (d 157)

Poor

Lancaster County, Nebraska · 6W 3N of Raymond · Structure no. C005500803

Built
1967
58 years old
Condition
Poor
inspected February 2025
Type
Slab
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
179
2015 count
Owner
County
County Highway Agency

About this bridge

W.Rock Cr/Col 7831 over Oak Creek (d 157) is a concrete continuous slab carrying W.Rock Cr/Col 7831 over Oak Creek (d 157) in Lancaster County, Nebraska. It was built in 1967, so it is 58 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 179 vehicles a day, projected to reach 304 by 2037. The structure is 89 ft (27.1 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesW.Rock Cr/Col 7831
CrossesOak Creek (d 157)
Location6W 3N of Raymond
RouteCounty Highway 7831
CountyLancaster County
StateNebraska
Coordinates41.0024, -96.898
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.1 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length89 ft (27.1 m)
Longest span36 ft (11 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179 (2015)
Projected traffic304 by 2037
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 W.Rock Cr/Col 7831 over Oak Creek (d 157) built?

It was built in 1967, making it 58 years old in 2025.

What condition is W.Rock Cr/Col 7831 over Oak Creek (d 157) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does W.Rock Cr/Col 7831 over Oak Creek (d 157) carry?

About 179 vehicles per day (2015 count).

How long is W.Rock Cr/Col 7831 over Oak Creek (d 157)?

The structure is 89 ft (27.1 m) long with a longest span of 36 ft (11 m) and a deck 29 ft wide.

Who owns W.Rock Cr/Col 7831 over Oak Creek (d 157)?

It is owned by the County Highway Agency.