US Bridges

Coll 7530 over Dry Creek

Good

Boyd County, Nebraska · Ejct N11/N12 2N .5E · Structure no. C0008C4305

Built
1985
40 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
100
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7530 over Dry Creek is a prestressed concrete tee beam carrying Coll 7530 over Dry Creek in Boyd County, Nebraska. It was built in 1985, so it is 40 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 170 by 2033. The structure is 51 ft (15.5 m) long and 30 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesColl 7530
CrossesDry Creek
LocationEjct N11/N12 2N .5E
RouteCounty Highway 7530
CountyBoyd County
StateNebraska
Coordinates42.945, -98.8317
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1998)
Projected traffic170 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 Coll 7530 over Dry Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Coll 7530 over Dry 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 September 2024.

How much traffic does Coll 7530 over Dry Creek carry?

About 100 vehicles per day (1998 count).

How long is Coll 7530 over Dry Creek?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 30 ft wide.

Who owns Coll 7530 over Dry Creek?

It is owned by the County Highway Agency.