US Bridges

RM 2139 over Sterling Creek Branch

Good

Sterling County, Texas · 3.30 MI SW of SH 163 · Structure no. 072160346201001

Built
1975
50 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
139
2022 count
Owner
State
State Highway Agency

About this bridge

RM 2139 over Sterling Creek Branch is a concrete culvert carrying RM 2139 over Sterling Creek Branch in Sterling County, Texas. It was built in 1975, so it is 50 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 139 vehicles a day, roughly 14% of them trucks, projected to reach 195 by 2042. The structure is 33 ft (10.1 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRM 2139
CrossesSterling Creek Branch
Location3.30 MI SW of SH 163
RouteState Highway 2139
StateTexas
Coordinates31.72664, -101.08538
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width27 ft (8.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2022)
Projected traffic195 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 RM 2139 over Sterling Creek Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is RM 2139 over Sterling Creek Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does RM 2139 over Sterling Creek Branch carry?

About 139 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is RM 2139 over Sterling Creek Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns RM 2139 over Sterling Creek Branch?

It is owned by the State Highway Agency.