US Bridges

Mexico City Ave S over Is 29

Fair

Platte County, Missouri · S 10 T 52 N R 34 W · Structure no. 2928

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
290 ft
4 main spans
Daily traffic
5,671
2024 count
Owner
State
State Highway Agency

About this bridge

Mexico City Ave S over Is 29 is a steel continuous stringer/multi-beam or girder carrying Mexico City Ave S over Is 29 in Platte County, Missouri. It was built in 1984, so it is 41 years old, younger than the Missouri average of 45.1 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 5,671 vehicles a day, roughly 5% of them trucks, projected to reach 10,208 by 2044. The structure is 290 ft (88.4 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMexico City Ave S
CrossesIs 29
LocationS 10 T 52 N R 34 W
RouteCity Street 0
CountyPlatte County
StateMissouri
Coordinates39.32881, -94.71152
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length290 ft (88.4 m)
Longest span97 ft (29.6 m)
Deck width95 ft (29.1 m)
Roadway width93 ft (28.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,671 (2024)
Projected traffic10,208 by 2044
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mexico City Ave S over Is 29 built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mexico City Ave S over Is 29 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 October 2024.

How much traffic does Mexico City Ave S over Is 29 carry?

About 5,671 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mexico City Ave S over Is 29?

The structure is 290 ft (88.4 m) long with a longest span of 97 ft (29.6 m) and a deck 95 ft wide.

Who owns Mexico City Ave S over Is 29?

It is owned by the State Highway Agency.