US Bridges

15th RD over Middle Creek Trib

Good

Thurston County, Nebraska · 2S 1W of Emerson · Structure no. C008710920

Built
2018
7 years old
Condition
Good
inspected November 2021
Type
Culvert
Steel
Length
31 ft
3 main spans
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

15th RD over Middle Creek Trib is a steel culvert carrying 15th RD over Middle Creek Trib in Thurston County, Nebraska. It was built in 2018, so it is 7 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 30 vehicles a day, projected to reach 51 by 2033. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Carries15th RD
CrossesMiddle Creek Trib
Location2S 1W of Emerson
RouteCounty Highway 109
Coordinates42.2399, -96.74596
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHL 93
Structure length31 ft (9.3 m)
Longest span8 ft (2.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2003)
Projected traffic51 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 15th RD over Middle Creek Trib built?

It was built in 2018, making it 7 years old in 2025.

What condition is 15th RD over Middle Creek Trib 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 November 2021.

How much traffic does 15th RD over Middle Creek Trib carry?

About 30 vehicles per day (2003 count).

How long is 15th RD over Middle Creek Trib?

The structure is 31 ft (9.3 m) long with a longest span of 8 ft (2.5 m).

Who owns 15th RD over Middle Creek Trib?

It is owned by the County Highway Agency.