US Bridges

FM 437 over Draw

Fair

Milam County, Texas · 3.0 MI S of SH 36 · Structure no. 171660059007036

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
66 ft
6 main spans
Daily traffic
1,238
2023 count
Owner
State
State Highway Agency

About this bridge

FM 437 over Draw is a concrete culvert carrying FM 437 over Draw in Milam County, Texas. It was built in 1957, so it is 68 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 1,238 vehicles a day, roughly 14% of them trucks, projected to reach 1,832 by 2042. The structure is 66 ft (20.1 m) long and 33 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesFM 437
CrossesDraw
Location3.0 MI S of SH 36
RouteState Highway 437
CountyMilam County
StateTexas
Coordinates30.88938, -97.23827
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 inspectionSeptember 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadOther
Structure length66 ft (20.1 m)
Longest span7 ft (2.1 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,238 (2023)
Projected traffic1,832 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 437 over Draw built?

It was built in 1957, making it 68 years old in 2025.

What condition is FM 437 over Draw 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 September 2024.

How much traffic does FM 437 over Draw carry?

About 1,238 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is FM 437 over Draw?

The structure is 66 ft (20.1 m) long with a longest span of 7 ft (2.1 m) and a deck 33 ft wide.

Who owns FM 437 over Draw?

It is owned by the State Highway Agency.