US Bridges

FM 829 over IH 20/UPRR

Fair

Martin County, Texas · 4.45 MI W of SH 137 · Structure no. 061560000504212

Built
1969
56 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
470 ft
7 main spans
Daily traffic
1,619
2022 count
Owner
State
State Highway Agency

About this bridge

FM 829 over IH 20/UPRR is a prestressed concrete stringer/multi-beam or girder carrying FM 829 over IH 20/UPRR in Martin County, Texas. It was built in 1969, so it is 56 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 1,619 vehicles a day, roughly 45% of them trucks, projected to reach 2,396 by 2042. The structure is 470 ft (143.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFM 829
CrossesIH 20/UPRR
Location4.45 MI W of SH 137
RouteState Highway 829
CountyMartin County
StateTexas
Coordinates32.10152, -101.86543
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7 (+1 approach)
Design loadH 15
Structure length470 ft (143.3 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,619 (2022)
Projected traffic2,396 by 2042
Trucks45%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 829 over IH 20/UPRR built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM 829 over IH 20/UPRR 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 August 2023.

How much traffic does FM 829 over IH 20/UPRR carry?

About 1,619 vehicles per day (2022 count), of which roughly 45% are trucks.

How long is FM 829 over IH 20/UPRR?

The structure is 470 ft (143.3 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns FM 829 over IH 20/UPRR?

It is owned by the State Highway Agency.