US Bridges

IH 20 Nfr over Brazos River

PoorPosted for load

Parker County, Texas · 1.7 MI W of FM 113 · Structure no. 021840031401006

Built
1934
91 years old
Condition
Poor
inspected September 2024
Type
Truss - Thru
Steel
Length
892 ft
3 main spans
Daily traffic
1,292
2022 count
Owner
State
State Highway Agency

About this bridge

IH 20 Nfr over Brazos River is a steel truss - thru carrying IH 20 Nfr over Brazos River in Parker County, Texas. It was built in 1934, so it is 91 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,292 vehicles a day, roughly 4% of them trucks, projected to reach 1,620 by 2033. The structure is 892 ft (271.9 m) long and 26 ft wide.

CarriesIH 20 Nfr
CrossesBrazos River
Location1.7 MI W of FM 113
RouteState Highway 20
StateTexas
Coordinates32.66702, -98.03318
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+11 approach)
Design loadH 15
Structure length892 ft (271.9 m)
Longest span165 ft (50.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic1,292 (2022)
Projected traffic1,620 by 2033
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$54,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 20 Nfr over Brazos River built?

It was built in 1934, making it 91 years old in 2025.

What condition is IH 20 Nfr over Brazos River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does IH 20 Nfr over Brazos River carry?

About 1,292 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is IH 20 Nfr over Brazos River?

The structure is 892 ft (271.9 m) long with a longest span of 165 ft (50.3 m) and a deck 26 ft wide.

Who owns IH 20 Nfr over Brazos River?

It is owned by the State Highway Agency.