US Bridges

T-73 Main Street over Tonganoxie Creek

Good

Leavenworth County, Kansas · 0.3N of Tonganoxie · Structure no. 000521061204205

Built
1980
45 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
989
2024 count
Owner
County
County Highway Agency

About this bridge

T-73 Main Street over Tonganoxie Creek is a concrete continuous slab carrying T-73 Main Street over Tonganoxie Creek in Leavenworth County, Kansas. It was built in 1980, so it is 45 years old, younger than the Kansas average of 52.8 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 989 vehicles a day, roughly 12% of them trucks, projected to reach 1,038 by 2042. The structure is 102 ft (31.2 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-73 Main Street
CrossesTonganoxie Creek
Location0.3N of Tonganoxie
RouteCounty Highway 5203
StateKansas
Coordinates39.11947, -95.08414
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating54.3 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length102 ft (31.2 m)
Longest span40 ft (12.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic989 (2024)
Projected traffic1,038 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 T-73 Main Street over Tonganoxie Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is T-73 Main Street over Tonganoxie 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 August 2024.

How much traffic does T-73 Main Street over Tonganoxie Creek carry?

About 989 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is T-73 Main Street over Tonganoxie Creek?

The structure is 102 ft (31.2 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns T-73 Main Street over Tonganoxie Creek?

It is owned by the County Highway Agency.