US Bridges

FM 436 over Margie Lou Branch

Fair

Bell County, Texas · 0.20 MI SW of US 190 · Structure no. 090140023116050

Built
1953
72 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
434
2020 count
Owner
State
State Highway Agency

About this bridge

FM 436 over Margie Lou Branch is a concrete culvert carrying FM 436 over Margie Lou Branch in Bell County, Texas. It was built in 1953, so it is 72 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 434 vehicles a day, roughly 21% of them trucks, projected to reach 490 by 2033. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 436
CrossesMargie Lou Branch
Location0.20 MI SW of US 190
RouteState Highway 436
CountyBell County
StateTexas
Coordinates31.01607, -97.30561
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width31 ft (9.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic434 (2020)
Projected traffic490 by 2033
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 436 over Margie Lou Branch built?

It was built in 1953, making it 72 years old in 2025.

What condition is FM 436 over Margie Lou Branch 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 April 2023.

How much traffic does FM 436 over Margie Lou Branch carry?

About 434 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is FM 436 over Margie Lou Branch?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m) and a deck 31 ft wide.

Who owns FM 436 over Margie Lou Branch?

It is owned by the State Highway Agency.