US Bridges

IH 20 Sfr over Brazos River Trib

Fair

Parker County, Texas · 3.8 MI W of FM 113 · Structure no. 021840031401153

Built
1932
93 years old, rebuilt 1970
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
29 ft
4 main spans
Daily traffic
3,233
2021 count
Owner
State
State Highway Agency

About this bridge

IH 20 Sfr over Brazos River Trib is a concrete culvert carrying IH 20 Sfr over Brazos River Trib in Parker County, Texas. It was built in 1932 and reconstructed in 1970, so it is 93 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 3,233 vehicles a day, roughly 4% of them trucks, projected to reach 250 by 2033. The structure is 29 ft (8.8 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 20 Sfr
CrossesBrazos River Trib
Location3.8 MI W of FM 113
RouteState Highway 20
StateTexas
Coordinates32.64269, -98.05916
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span8 ft (2.4 m)
Deck width38 ft (11.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,233 (2021)
Projected traffic250 by 2033
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 IH 20 Sfr over Brazos River Trib built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1970.

What condition is IH 20 Sfr over Brazos River Trib 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 IH 20 Sfr over Brazos River Trib carry?

About 3,233 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is IH 20 Sfr over Brazos River Trib?

The structure is 29 ft (8.8 m) long with a longest span of 8 ft (2.4 m) and a deck 38 ft wide.

Who owns IH 20 Sfr over Brazos River Trib?

It is owned by the State Highway Agency.