US Bridges

Coll 7297 over Tri-County Canal MP 12.5

Fair

Lincoln County, Nebraska · 8W .5S of Brady · Structure no. C005617910P

Built
1935
90 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
73 ft
7 main spans
Daily traffic
75
1998 count
Owner
Local
Other Local Agency

About this bridge

Coll 7297 over Tri-County Canal MP 12.5 is a concrete slab carrying Coll 7297 over Tri-County Canal MP 12.5 in Lincoln County, Nebraska. It was built in 1935, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 75 vehicles a day, projected to reach 127 by 2033. The structure is 73 ft (22.3 m) long and 22 ft wide. If it were closed, the detour would be 279.6 mi (450 km).

CarriesColl 7297
CrossesTri-County Canal MP 12.5
Location8W .5S of Brady
RouteCounty Highway 7297
Coordinates41.009, -100.524
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36.4 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span11 ft (3.4 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (1998)
Projected traffic127 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed279.6 mi (450 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7297 over Tri-County Canal MP 12.5 built?

It was built in 1935, making it 90 years old in 2025.

What condition is Coll 7297 over Tri-County Canal MP 12.5 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Coll 7297 over Tri-County Canal MP 12.5 carry?

About 75 vehicles per day (1998 count).

How long is Coll 7297 over Tri-County Canal MP 12.5?

The structure is 73 ft (22.3 m) long with a longest span of 11 ft (3.4 m) and a deck 22 ft wide.

Who owns Coll 7297 over Tri-County Canal MP 12.5?

It is owned by the Other Local Agency.