US Bridges

Rt T E over Portage Byu

Fair

New Madrid County, Missouri · S 31 T 21 N R 13 E · Structure no. 5137

Built
1928
97 years old, rebuilt 1957
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
125 ft
2 main spans
Daily traffic
6,067
2024 count
Owner
State
State Highway Agency

About this bridge

Rt T E over Portage Byu is a concrete tee beam carrying Rt T E over Portage Byu in New Madrid County, Missouri. It was built in 1928 and reconstructed in 1957, so it is 97 years old, older 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 6,067 vehicles a day, roughly 11% of them trucks, projected to reach 9,404 by 2044. The structure is 125 ft (38.1 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRt T E
CrossesPortage Byu
LocationS 31 T 21 N R 13 E
RouteState Highway 0T
CountyNew Madrid County
StateMissouri
Coordinates36.41827, -89.70111
Functional classRural Major 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length125 ft (38.1 m)
Longest span42 ft (12.9 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,067 (2024)
Projected traffic9,404 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt T E over Portage Byu built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1957.

What condition is Rt T E over Portage Byu 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 December 2024.

How much traffic does Rt T E over Portage Byu carry?

About 6,067 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt T E over Portage Byu?

The structure is 125 ft (38.1 m) long with a longest span of 42 ft (12.9 m) and a deck 31 ft wide.

Who owns Rt T E over Portage Byu?

It is owned by the State Highway Agency.