US Bridges

Firth Rd/Fas 3250 over Tribbignemaha River X261

Good

Lancaster County, Nebraska · JCT US 77/S55G 6S 4.9E · Structure no. C005517217

Built
2003
22 years old
Condition
Good
inspected March 2025
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
2,593
2017 count
Owner
County
County Highway Agency

About this bridge

Firth Rd/Fas 3250 over Tribbignemaha River X261 is a concrete culvert carrying Firth Rd/Fas 3250 over Tribbignemaha River X261 in Lancaster County, Nebraska. It was built in 2003, so it is 22 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 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 2,593 vehicles a day, projected to reach 4,408 by 2042. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesFirth Rd/Fas 3250
CrossesTribbignemaha River X261
LocationJCT US 77/S55G 6S 4.9E
RouteCounty Highway 3250
Coordinates40.5382, -96.6128
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2025
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,593 (2017)
Projected traffic4,408 by 2042
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 Firth Rd/Fas 3250 over Tribbignemaha River X261 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Firth Rd/Fas 3250 over Tribbignemaha River X261 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 March 2025.

How much traffic does Firth Rd/Fas 3250 over Tribbignemaha River X261 carry?

About 2,593 vehicles per day (2017 count).

How long is Firth Rd/Fas 3250 over Tribbignemaha River X261?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Firth Rd/Fas 3250 over Tribbignemaha River X261?

It is owned by the County Highway Agency.